title: [Diagnosis and military medical expertise in stomach or duodenal ulcer in seamen at enlisted service].
authors: M P
authors: MP
authors: Efremenko
authors: V A
authors: VA
authors: Vertelkin
mesh_terms: D004381:Duodenal Ulcer / Q000175:diagnosis* / Q000473:pathology; D005104:Expert Testimony; D006801:Humans; D008889:Military Personnel; D009326:Naval Medicine; D013276:Stomach Ulcer / Q000175:diagnosis* / Q000473:pathology