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msk.plantar-fasciitis.core.v1PRODUCTION
msk.plantar-fasciitis.core.v1

Plantar heel pain (plantar fasciitis & mimics)

rheumatologysubacutechronicadult
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12/12 authored

Canonical 12-phase frame with authored status for this dossier.

Current phase

Frame

Detailed

Adult subacute/chronic plantar heel pain — a DIFFERENTIAL DISCIPLINE first (plantar fasciopathy vs calcaneal stress fracture vs nerve entrapment vs systemic enthesitis; fat-pad atrophy / fibromatosis / Sever-paediatric explicitly excluded) then a natural-history-anchored conservative ladder (~80–90% resolve <12 mo — Crawford Cochrane 2003 PMID 12917892; DiGiovanni 2006 PMID 16882901; JOSPT CPG 2023 PMID 38037331)

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Scope confirmed adult; paediatric (Sever) routed out; differential framed

Patient inputs (17)

Adult dossier; skeletally immature (8–14 y) heel pain = Sever apophysitis and is out of scope; older age raises fat-pad atrophy

Obesity (BMI ≥30) is the dominant modifiable risk: OR 2.9 (95% CI 1.4–6.1) (Irving 2007 PMID 17506905) — raises pre-test prior and is a treatment lever

Runner / military recruit / sudden training-load spike shifts the differential toward calcaneal stress fracture

Subacute vs chronic (>6 mo) drives ladder rung (night splint, ESWT eligibility) and natural-history counselling

Bilateral + prolonged morning stiffness + night pain + age <45 + psoriasis/IBP/uveitis → spondyloarthritis enthesitis pivot (do NOT inject locally)

Poorly controlled diabetes cautions corticosteroid injection (glycaemic excursion) and raises neuropathic-mimic probability

Prior plantar-fascia steroid injection raises rupture and fat-pad-atrophy risk (Acevedo 1998 PMID 9498581 — 86% of ruptures injection-associated)

First-step pain easing then worsening with load is the cardinal plantar-fasciopathy history finding (JOSPT CPG 2023)

Medial-lateral calcaneal compression pain = stress-fracture pivot — overrides the conservative ladder toward imaging/offloading

Positive Tinel + burning/paraesthesia/night pain → tarsal tunnel / Baxter nerve entrapment pivot

Elevated CRP/ESR with bilateral inflammatory heel pain supports systemic enthesitis; a normal value supports mechanical PHP (exclusion test, not a diagnostic-of-PHP test)

Plantar fascia thickness >4 mm at calcaneal insertion supports fasciopathy and is the standard pre-injection / uncertain-diagnosis test (McMillan 2012 PMID 22619193)

MRI for suspected calcaneal stress fracture (marrow oedema), mass, or atypical/red-flag presentation — not routine

Pronated foot (FPI ≥4) OR 3.7 (95% CI 1.6–8.7) (Irving 2007) — pre-test prior + orthosis indication

Osteoporosis / RED-S / amenorrhoea raises calcaneal stress-fracture probability and changes imaging threshold

Gastroc-soleus tightness / limited ankle dorsiflexion drives stretch prescription and gastrocnemius-recession candidacy

eGFR (CKD-EPI 2021) gates NSAID dosing/avoidance for symptomatic analgesia

* = hard-required. Engine cannot meaningfully run until these are filled.

Severity triggers (8)

8 need judgement
  • informationallife_threateninginfection_or_tumor_red_flag
    Fever, night/rest pain unrelieved by rest, unexplained weight loss, focal bony destruction, or history of malignancy with new heel pain
    Trigger could not be auto-evaluated — needs clinician judgement.
  • informationalseverecalcaneal_stress_fracture_suspicion
    Diffuse heel pain + positive calcaneal squeeze test in a runner / military recruit / osteoporotic / RED-S / training-load-spike patient (JOSPT CPG 2023)
    Trigger could not be auto-evaluated — needs clinician judgement.
  • informationalsevereplantar_fascia_rupture_post_injection
    Sudden heel/arch tearing sensation, palpable defect, loss of fascia tension, or arch collapse — especially after corticosteroid injection (Acevedo 1998 PMID 9498581)
    Trigger could not be auto-evaluated — needs clinician judgement.
  • informationalmoderatesystemic_enthesitis_spondyloarthritis
    Bilateral heel pain with inflammatory rhythm (prolonged morning stiffness, night pain, improves with activity), age <45, psoriasis/IBD/uveitis/dactylitis, or elevated CRP/ESR (JOSPT CPG 2023; ASAS)
    Trigger could not be auto-evaluated — needs clinician judgement.
  • informationalmoderatenerve_entrapment_baxter_tarsal_tunnel
    Burning/paraesthesia, night pain, sensory signs, positive Tinel at the tarsal tunnel — first-branch lateral plantar (Baxter) nerve or tarsal tunnel rather than fasciopathy (JOSPT CPG 2023)
    Trigger could not be auto-evaluated — needs clinician judgement.
  • informationalmoderates1_radiculopathy_referred_heel_pain
    Heel pain WITHOUT post-static rhythm + dermatomal posterolateral-leg distribution, positive SLR/crossed-SLR, diminished S1 ankle reflex, plantarflexion weakness, ± low back pain — referred radicular rather than fasciopathy (JOSPT CPG 2023; 2008 PMID 18434670)
    Trigger could not be auto-evaluated — needs clinician judgement.
  • informationalmoderatecentral_sensitisation_overlay
    Disability / first-step pain disproportionate to fascial signs, widespread multi-site pain, high pain-catastrophising or kinesiophobia, ACR-2016 features — a central pain process overlaying (or instead of) mechanical PHP (Cotchett 2017 PMID 28605621)
    Trigger could not be auto-evaluated — needs clinician judgement.
  • informationalmoderatensaid_renal_or_gi_contraindication
    Need for analgesia with eGFR <30, active peptic ulcer disease, decompensated heart failure, or high-risk geriatric/anticoagulated patient
    Trigger could not be auto-evaluated — needs clinician judgement.

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TREATMENToptionalDrives dose adjustment
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Recommended regimen

Conservative ladder — natural-history-anchored first-line care (JOSPT CPG 2023; ~80–90% resolve <12 mo)
axis: php_conservative_ladderstep 1 - Step 1 — Education + load management + relative rest
Selected step "Step 1 — Education + load management + relative rest" — Any confirmed plantar fasciopathy without a red-flag mimic
  • education on favourable natural history + activity/load modification + relative rest
    first line
    patient_education
    triggers: classic_plantar_fasciopathy
    Strong recommendation — most resolve within ~12 mo; sets expectations and reduces over-treatment (Crawford Cochrane 2003 PMID 12917892; JOSPT CPG 2023 PMID 38037331)

outpatient playbook — drug actions (8)

  1. 1. education + load modification + relative rest
    n/a • counsel • every visit
    trigger: Confirmed plantar fasciopathy
    Strong — most resolve <12 mo (Crawford Cochrane 2003 PMID 12917892; JOSPT CPG 2023)
  2. 2. plantar-fascia-specific + gastroc-soleus stretching
    tissue-specific stretch 3×/day, 10 reps, 10 s hold • home exercise • daily
    trigger: Symptomatic, tight calf/fascia
    First-line exercise — DiGiovanni JBJS 2006 PMID 16882901 (2-y 92% satisfied)
  3. 3. foot orthosis (prefab/custom) + low-Dye taping
    fitted • orthotic • in-shoe daily
    trigger: Pronated foot / standing occupation / partial response
    Strong short/medium-term benefit (JOSPT CPG 2023; Nakhaee 2022 PMID 36037272)
  4. 4. dorsiflexion night splint
    worn overnight • orthotic • nightly
    trigger: Chronic >6 mo with first-step pain
    Modest/adjunctive (Batt 1996 PMID 8792046; Wheeler 2017 PMID 29259809 null)
  5. 5. ibuprofen / naproxen OR acetaminophen
    ibuprofen 400 mg q6–8h / naproxen 250–500 mg BID / acetaminophen 500–1000 mg q6h • PO • PRN short course
    trigger: Pain limiting rehab; NSAID eGFR/GI/CV-gated
    Symptom control only — not disease-modifying (JOSPT CPG 2023)
  6. 6. corticosteroid injection (US-guided)
    single; limit cumulative • local injection • once
    trigger: Refractory ≥3–6 mo, no enthesitis, informed of harm
    4-wk-only benefit, rupture/atrophy risk (McMillan 2012 PMID 22619193; Acevedo 1998 PMID 9498581)
  7. 7. ESWT (medium-intensity course)
    multi-session • transcutaneous • weekly ×3
    trigger: Refractory; injection failed/declined
    High-quality large effect (Charles 2023 PMID 37662911; Zhao NMA 2025 PMID 40709373)
  8. 8. PRP then surgery (gastroc recession preferred)
    PRP single; recession surgical • injection / surgical • as indicated
    trigger: Recalcitrant after ESWT
    PRP debated mid-term (Ye 2025 PMID 40200209); recession > fasciotomy (Pickin 2022 PMID 34838458; Gamba 2022 PMID 35692721)

Auto-drafted A&P note

outpatient

Subjective

- Possible entry pathways: First-step / post-static morning inferior heel pain that eases then worsens with prolonged load (JOSPT CPG 2023); Point tenderness at the medial calcaneal tubercle / proximal plantar fascia (JOSPT CPG 2023); Load/running-related inferior heel pain in an active adult (JOSPT CPG 2014).

Objective

- No vitals, labs, or imaging entered for this encounter.

Assessment

**Plantar heel pain (plantar fasciitis & mimics)** (msk.plantar-fasciitis.core.v1).
Phenotype framing: MECE 6-way pivot with engine_id routing: (1) plantar FASCIOPATHY — medial, post-static, windlass LR+→∞ (De Garceau 2003 PMID 12793489), US echopattern LR+ 27.3 (Ramu 2022 PMID 35947294); (2) calcaneal STRESS FRACTURE — diffuse, calcaneal-SQUEEZE+, athlete/recruit/osteoporosis/RED-S, MRI marrow oedema → route msk.fracture-triage.core.v1 (carry over load-history + bone-stress-risk + squeeze result); (3) NERVE ENTRAPMENT — tarsal tunnel/Baxter, Tinel+, burning/sensory, no clean post-static; (4) systemic ENTHESITIS of spondyloarthritis — bilateral, inflammatory rhythm, CRP↑, US-enthesis composite LR+ 2.05 (Yang 2015 PMID 26359027) → route rheum.axial-spondyloarthritis.core.v1 (carry over laterality + inflammatory-feature + CRP); (5) S1 RADICULOPATHY — referred heel pain, dermatomal/SLR/reflex signs, no post-static rhythm → route msk.low-back-pain.core.v1 (carry over neuro exam); (6) CENTRAL-SENSITISATION / chronic-widespread-pain OVERLAY — catastrophising explains ~39% of foot-function variance (Cotchett 2017 PMID 28605621) → co-manage msk.fibromyalgia.core.v1 if ACR-2016 positive (overlay, not exclusion). CONDITIONAL DEPENDENCY 5 (stress-fracture prior | athlete/osteoporosis/RED-S): the calcaneal-squeeze test only meaningfully shifts probability when the PRIOR is elevated — in a sedentary non-osteoporotic adult a positive squeeze is far more often fat-pad/fascial than a true stress fracture, whereas in a runner/recruit/RED-S/osteoporotic patient the same finding mandates MRI and offloading; squeeze interpretation is therefore explicitly conditioned on the bone-stress-risk profile (corroborated as a core triad element — Nweke 2025 PMID 40717873). Co-existence/look-alikes: heel fat-pad atrophy (central tenderness, may co-exist post-injection), plantar fibromatosis (palpable nodule), infection/tumour; Sever apophysitis = paediatric, excluded (JOSPT CPG 2023; 2014; 2008 PMID 18434670)
Scope: Adult subacute/chronic plantar heel pain — a DIFFERENTIAL DISCIPLINE first (plantar fasciopathy vs calcaneal stress fracture vs nerve entrapment vs systemic enthesitis; fat-pad atrophy / fibromatosis / Sever-paediatric explicitly excluded) then a natural-history-anchored conservative ladder (~80–90% resolve <12 mo — Crawford Cochrane 2003 PMID 12917892; DiGiovanni 2006 PMID 16882901; JOSPT CPG 2023 PMID 38037331)

No severity triggers fired against current inputs.

Plan

Regimen axis: **Conservative ladder — natural-history-anchored first-line care (JOSPT CPG 2023; ~80–90% resolve <12 mo)** — step "Step 1 — Education + load management + relative rest".
1. education on favourable natural history + activity/load modification + relative rest (patient_education, first line) — Strong recommendation — most resolve within ~12 mo; sets expectations and reduces over-treatment (Crawford Cochrane 2003 PMID 12917892; JOSPT CPG 2023 PMID 38037331)

Setting playbook (outpatient) — Confirm plantar fasciopathy & exclude mimics (stress fracture, nerve entrapment, systemic enthesitis), deliver natural-history education, run the conservative ladder, escalate only the refractory minority while bounding injection harm (JOSPT CPG 2023 PMID 38037331)
2. education + load modification + relative rest n/a counsel every visit — Confirmed plantar fasciopathy (Strong — most resolve <12 mo (Crawford Cochrane 2003 PMID 12917892; JOSPT CPG 2023))
3. plantar-fascia-specific + gastroc-soleus stretching tissue-specific stretch 3×/day, 10 reps, 10 s hold home exercise daily — Symptomatic, tight calf/fascia (First-line exercise — DiGiovanni JBJS 2006 PMID 16882901 (2-y 92% satisfied))
4. foot orthosis (prefab/custom) + low-Dye taping fitted orthotic in-shoe daily — Pronated foot / standing occupation / partial response (Strong short/medium-term benefit (JOSPT CPG 2023; Nakhaee 2022 PMID 36037272))
5. dorsiflexion night splint worn overnight orthotic nightly — Chronic >6 mo with first-step pain (Modest/adjunctive (Batt 1996 PMID 8792046; Wheeler 2017 PMID 29259809 null))
6. ibuprofen / naproxen OR acetaminophen ibuprofen 400 mg q6–8h / naproxen 250–500 mg BID / acetaminophen 500–1000 mg q6h PO PRN short course — Pain limiting rehab; NSAID eGFR/GI/CV-gated (Symptom control only — not disease-modifying (JOSPT CPG 2023))
7. corticosteroid injection (US-guided) single; limit cumulative local injection once — Refractory ≥3–6 mo, no enthesitis, informed of harm (4-wk-only benefit, rupture/atrophy risk (McMillan 2012 PMID 22619193; Acevedo 1998 PMID 9498581))
8. ESWT (medium-intensity course) multi-session transcutaneous weekly ×3 — Refractory; injection failed/declined (High-quality large effect (Charles 2023 PMID 37662911; Zhao NMA 2025 PMID 40709373))
9. PRP then surgery (gastroc recession preferred) PRP single; recession surgical injection / surgical as indicated — Recalcitrant after ESWT (PRP debated mid-term (Ye 2025 PMID 40200209); recession > fasciotomy (Pickin 2022 PMID 34838458; Gamba 2022 PMID 35692721))

Non-pharmacologic actions:
- Weight management counselling if BMI ≥30 (modifiable driver — Irving 2007 PMID 17506905)
- Footwear review + heel cushioning (more so if fat-pad attenuation co-exists)
- Activity/training-load graded modification for athletes
- Refer rheumatology if bilateral inflammatory enthesitis (rheum.axial-spondyloarthritis.core.v1)
- Refer foot-and-ankle surgery for recalcitrant disease after full ladder

AVOID / contraindication checks:
- NSAID block if eGFR<30 or active PUD or decompensated HF (race neutral CKD EPI 2021; KDIGO 2026)
- NSAID renal eGFR 30 59 use lowest dose shortest course monitor creatinine (CKD EPI 2021)
- NSAID caution elderly STOPP and concurrent anticoagulant or RAAS or diuretic (geriatric deprescribing / triple whammy AKI)
- Acetaminophen hepatic dose cap <=2000mg/day if liver disease (Child Pugh B/C)
- Pregnancy avoid systemic NSAID esp >=20wk oligohydramnios and >=30wk ductal closure prefer acetaminophen lowest effective and non pharm stretch/orthosis (FDA 2020; lactation NSAID short course ibuprofen acceptable)
- Pediatric skeletally immature heel pain is Sever apophysitis OUT OF SCOPE do not apply this adult ladder (JOSPT CPG 2023)
- DDI NSAID with anticoagulant/antiplatelet/SSRI GI bleed risk and with lithium/methotrexate toxicity and with ACEi ARB diuretic AKI
- Deprescribe NSAID once rehab tolerated analgesia is symptom control only not disease modifying (JOSPT CPG 2023)
- Do not inject or load if calcaneal stress fracture suspected route msk.fracture triage.core.v1 image first (JOSPT CPG 2023)
- Bilateral inflammatory enthesitis route rheum.axial spondyloarthritis.core.v1 do not inject locally (JOSPT CPG 2023)
- Central sensitisation overlay screen acr_fibromyalgia_2016 co manage msk.fibromyalgia.core.v1 do not escalate local procedures for central pain (Cotchett 2017 PMID 28605621)

Monitoring

Regimen monitoring:
- first step pain VAS or FFI or FHSQ at 6-12wk (JOSPT CPG 2023)
- renal function eGFR if NSAID continued (CKD-EPI 2021)
- GI tolerance on NSAID
- re-screen mimics if off natural-history trajectory

Setting (outpatient) monitoring:
- First-step pain VAS / FFI / FHSQ at 6–12 weeks (JOSPT CPG 2023)
- Re-screen mimics if off natural-history trajectory
- Renal function on continued NSAID (CKD-EPI 2021)
- Post-injection rupture & glycaemia surveillance (Acevedo 1998 PMID 9498581)

Follow-up plan: Counsel that ~80–90% resolve within ~12 months on first-line care (Crawford Cochrane 2003 PMID 12917892; DiGiovanni 2006 PMID 16882901); maintain plantar-fascia/gastroc stretching, weight management, supportive footwear, graded load return. Escalate stepwise only for the refractory minority. Return precautions: sudden heel "pop"/arch collapse (rupture), new burning/numbness (nerve), bilateral/inflammatory features (systemic enthesitis), fever/night-rest pain/weight loss (infection/tumour) (JOSPT CPG 2023)
- Close-out criterion: Self-management + escalation thresholds + return precautions communicated

Monitoring phase: Reassess pain (first-step VAS / FFI / FHSQ) and function at ~6–12 weeks of conservative care; expect gradual improvement on the natural-history trajectory. Re-screen mimics if NOT improving as expected (re-consider stress fracture, nerve entrapment, systemic enthesitis). Post-injection: monitor for sudden tearing/arch collapse (rupture — Acevedo 1998 PMID 9498581) and glycaemia in diabetes. On NSAID: renal function/eGFR (CKD-EPI 2021) + GI tolerance. Track modifiable drivers (weight, footwear, load) (JOSPT CPG 2023)

Disposition

Current setting: outpatient — Confirm plantar fasciopathy & exclude mimics (stress fracture, nerve entrapment, systemic enthesitis), deliver natural-history education, run the conservative ladder, escalate only the refractory minority while bounding injection harm (JOSPT CPG 2023 PMID 38037331)

Disposition criteria:
- Continue outpatient conservative ladder for uncomplicated plantar fasciopathy
- Specialty referral (rheumatology / foot-and-ankle surgery) for routed mimics or recalcitrant disease
- No admission pathway for uncomplicated plantar heel pain

Escalation triggers (move to higher acuity):
- Positive calcaneal squeeze / athlete with diffuse heel pain → MRI for stress fracture, offload, do not inject (JOSPT CPG 2023)
- Bilateral + inflammatory rhythm + SpA features → rheumatology / rheum.axial-spondyloarthritis.core.v1 (JOSPT CPG 2023)
- New burning/numbness/positive Tinel → nerve-entrapment workup (JOSPT CPG 2023)
- Fever / night-rest pain / weight loss / focal bony destruction / malignancy history → urgent imaging & escalation
- Sudden heel tearing/arch collapse after injection → assess plantar fascia rupture (Acevedo 1998 PMID 9498581)

Patient Action Plan

**Plantar heel pain self-management plan**
Personalised values: stretch_program, footwear_orthosis_plan, weight_target_if_obese, symptom_duration, injection_history.

**Improving on conservative care** (green):
Triggers:
- First-step pain gradually decreasing over weeks
- Able to do stretches and daily activity with manageable pain
- No new burning, numbness, or spreading pain
Actions:
- Keep doing the plantar-fascia and calf stretches every day — most people improve over many months (JOSPT CPG 2023)
- Wear supportive shoes / your orthotic; avoid going barefoot on hard floors
- If overweight, continue working toward a healthier weight (a known driver) (Irving 2007 PMID 17506905)
- Gradually return to running/standing activity — do not spike your load suddenly

**Not improving / plateaued** (yellow):
Triggers:
- No improvement after ~6–12 weeks of stretching + footwear/orthosis
- Pain limiting work or exercise despite first-line care
- Chronic symptoms beyond 6 months
Actions:
- Contact your provider to review the diagnosis and step up treatment (night splint, supervised rehab, possibly an injection or shockwave therapy) (JOSPT CPG 2023)
- Short-course over-the-counter pain relief may help you keep exercising — check with your provider if you have kidney, stomach, heart, or liver problems
- Bring up any features that do not fit simple heel pain (both heels, morning stiffness lasting long, night pain, tingling)
Contact provider when:
- No improvement after a structured 3–6 month program
- Considering a corticosteroid injection — discuss the small chance of fascia tear / heel-pad thinning (Acevedo 1998 PMID 9498581)

**Warning features — needs prompt evaluation** (red):
Triggers:
- Sudden "pop"/tearing in the heel or arch collapsing (possible plantar fascia rupture, often after injection)
- New numbness, burning, or weakness in the foot
- Fever, night pain that wakes you and is not relieved by rest, or unexplained weight loss
- Severe heel pain after a sharp increase in running/standing (possible stress fracture)
Actions:
- Stop weight-bearing activity / loading and contact your provider promptly
- Seek urgent care for fever with heel pain or rapidly worsening neurological symptoms
- Tell the clinician about any recent heel injection and your activity history
Contact provider when:
- Any of the above red features — these are not typical plantar fasciitis and need imaging or specialist review (JOSPT CPG 2023)

Earlier-Return Triggers

Return-precaution thresholds (watch for):
- [LIFE_THREATENING] Fever, night/rest pain unrelieved by rest, unexplained weight loss, focal bony destruction, or history of malignancy with new heel pain
- [SEVERE] Diffuse heel pain + positive calcaneal squeeze test in a runner / military recruit / osteoporotic / RED-S / training-load-spike patient (JOSPT CPG 2023)
- [SEVERE] Sudden heel/arch tearing sensation, palpable defect, loss of fascia tension, or arch collapse — especially after corticosteroid injection (Acevedo 1998 PMID 9498581)

Citations

- JOSPT/APTA Academy of Orthopaedic Physical Therapy — Heel Pain–Plantar Fasciitis Clinical Practice Guideline, Revision 2023 (Koc, Bise, Neville, Carreira, Martin, McDonough) + 2014 revision (Martin) + Cochrane 2003 (Crawford); reconciled with AOFAS/ACFAS-aligned surgical literature [PMID:38037331](https://pubmed.ncbi.nlm.nih.gov/38037331/)
- Cited evidence (PMID 25361863) [PMID:25361863](https://pubmed.ncbi.nlm.nih.gov/25361863/)
- Cited evidence (PMID 18434670) [PMID:18434670](https://pubmed.ncbi.nlm.nih.gov/18434670/)
- Cited evidence (PMID 39741456) [PMID:39741456](https://pubmed.ncbi.nlm.nih.gov/39741456/)
- Cited evidence (PMID 39741452) [PMID:39741452](https://pubmed.ncbi.nlm.nih.gov/39741452/)

Last reconciled with current guidelines: 2026-05-22.
References
  • JOSPT/APTA Academy of Orthopaedic Physical Therapy — Heel Pain–Plantar Fasciitis Clinical Practice Guideline, Revision 2023 (Koc, Bise, Neville, Carreira, Martin, McDonough) + 2014 revision (Martin) + Cochrane 2003 (Crawford); reconciled with AOFAS/ACFAS-aligned surgical literaturePMID:38037331
  • Cited evidence (PMID 25361863)PMID:25361863
  • Cited evidence (PMID 18434670)PMID:18434670
  • Cited evidence (PMID 39741456)PMID:39741456
  • Cited evidence (PMID 39741452)PMID:39741452