Rectal biopsy and amoebiasis.
D000293:Adolescent; D000328:Adult; D001706:Biopsy; D004404:Dysentery, Amebic / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011351:Proctoscopy; D012007:Rectum / Q000473:pathology*; D012812:Sigmoidoscopy