title: Chicken bone perforation of the sigmoid colon: a report of three cases.
mesh_terms: D000368:Aged; D000818:Animals; D001842:Bone and Bones; D002645:Chickens; D012809:Colon, Sigmoid; D003108:Colonic Diseases / Q000209:etiology* / Q000601:surgery; D005260:Female; D005547:Foreign Bodies / Q000150:complications* / Q000601:surgery; D006801:Humans; D007416:Intestinal Perforation / Q000209:etiology* / Q000601:surgery; D008297:Male; D008875:Middle Aged