Some chronic diseases of the alimentary tract in sailors in the light of periodic health examinations. 1.
D002908:Chronic Disease; D005762:Gastroenterology; D041981:Gastrointestinal Tract; D006801:Humans; D008027:Light; D008889:Military Personnel; D009326:Naval Medicine; D010808:Physical Examination
GASTROENTEROLOGY; NAVAL MEDICINE