title: [Epidemiologic studies for detection of chronic biliary tract diseases (right hypochondrium syndrome) in the Latvian SSR].
mesh_terms: D000328:Adult; D001660:Biliary Tract Diseases / Q000175:diagnosis* / Q000453:epidemiology; D002908:Chronic Disease; D005260:Female; D006801:Humans; D007844:Latvia; D008297:Male; D008875:Middle Aged; D011159:Population Surveillance
vernacular_title: Epidemiologicheskie issledovaniia po vyiavleniiu khronicheskikh zabolevaniĭ zhelchnykh puteĭ (o sindrome pravogo podreber'ia) v Latviiskoĭ SSR.