[GASTRODUODENAL ULCER IN TWINS].
D004200:Diseases in Twins; D006801:Humans; D010437:Peptic Ulcer; D011859:Radiography; D014427:Twins
DISEASES IN TWINS; PEPTIC ULCER; RADIOGRAPHY
L'ULC'ERE GASTRO-DUOD'ENAL CHEZ LES JUMEAUX.