Principles and practice of clinical research 2026-02-15T11:54:37+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Gallin, John I; Ognibene, Frederick P. (Elsevier/Academic Press, 2012)