Pitfalls in the diagnosis of amebic colitis.
D000368:Aged; D001706:Biopsy; D003951:Diagnostic Errors; D004404:Dysentery, Amebic / Q000175:diagnosis*; D004748:Entamoeba histolytica / Q000302:isolation & purification; D005243:Feces / Q000382:microbiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012812:Sigmoidoscopy