Methods of clinical epidemiology 2026-02-16T03:12:30+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Doi, Suhail A. R.; Williams, Gail M. (Springer series on epidemiology and health, 2013)