{"resource":"https://api.magentlab.com/api/calc/psadt","service":"magent","areas":["other"],"answering":true,"http_status":402,"latency_ms":325,"price_usdc":0.005,"buyers_30d":2,"calls_30d":3,"description":"Pound 1999 PSA doubling time from two rising PSA values: psadt_months = ln(2) x interval_months / ln(psa2_ng_ml / psa1_ng_ml), 1 decimal. PSA each 0.2-10000 ng/mL; psa2 must exceed psa1; interval_months 0.25-120. Reports the Pound split <=1","id":"eba4ec15c820","category":"Calculators and conversions","accuracy":null,"tool_calls":null,"checked_day":"2026-10-11","page":"https://velliumandco.com/sellers/eba4ec15c820"}