[Clinical contribution to perforations of simple ulcer of the sigmoid colon (4 cases)].
D002648:Child; D003108:Colonic Diseases / Q000150:complications*; D006801:Humans; D007416:Intestinal Perforation / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D014456:Ulcer / Q000150:complications*
Contributo clinico alle prforazioni dell'ulcera semplice del colon sigmoideo.