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Gewitz 2015 AHA Jones criteria (Table 7). jones_arf iff evidence_of_preceding_gas and the episode rule: initial 2 major or 1 major plus 2 minor; recurrent also allows 3 minor. Majors/minors follow population_risk for arthritis vs arthralgia

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
172 ms
Price
$0.005 per call
Paying buyers, last 30 days
2 (directory's own records)
Paid calls, last 30 days
3
Category
Calculators and conversions
Address
https://api.magentlab.com/api/calc/jones

Accuracy

Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.

For agents

This page as JSON: /sellers/87339f2cfd60.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).

Sellers can see the evidence behind their checks and ask for a re-check at [email protected].