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Research tools and medical calculators

A bibliography builder and clinical calculators, all running in your browser. Each calculator cites its formula and reminds you that the result is supportive, and the decision belongs to the clinician.

Build a bibliography from DOIs

Paste a list of DOIs or article links, get a structured bibliography, export to BibTeX, RIS or CSV.

eGFR calculator

eGFR calculator using the race-free CKD-EPI 2021 creatinine equation, from creatinine, age, and sex. With KDIGO staging and a cited source.

Creatinine clearance calculator (Cockcroft-Gault)

Creatinine clearance calculator using the Cockcroft-Gault formula, from age, weight, creatinine, and sex. A dosing reference, with a cited source.

Body surface area calculator (BSA)

Body surface area (BSA) calculator using the Mosteller formula, from height and weight. Used for dosing and indexing, with a cited source.

CHA2DS2-VASc score

Calculate the CHA2DS2-VASc score to stratify stroke risk in atrial fibrillation. With score interpretation and a cited source.

Wells score for pulmonary embolism

Calculate the Wells score to estimate the pretest probability of pulmonary embolism. With probability tiers and a cited source.