multiple choece questions in preventive and social medicine 2026-02-15T22:14:42+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Ratan, Vidya, 1927- (Jaypee Bros. Medical Publishers, 1984)