Diagnostic difficulties in Whipple's disease.
D001168:Arthritis / Q000209:etiology; D002493:Central Nervous System Diseases / Q000209:etiology; D006331:Heart Diseases / Q000209:etiology; D006801:Humans; D007421:Intestine, Small / Q000473:pathology; D008297:Male; D008875:Middle Aged; D008061:Whipple Disease / Q000150:complications / Q000175:diagnosis* / Q000473:pathology