Porphynuria in some obscure abdominal diseases.
D000005:Abdomen; D001826:Body Fluids; D004194:Disease; D005767:Gastrointestinal Diseases; D006801:Humans; D011166:Porphyrins / Q000652:urine*
D011166:Porphyrins
ABDOMEN/diseases; PORPHYRINS/in urine