Report on a survey for porphyrias in hospital population.
D000293:Adolescent; D000328:Adult; D005243:Feces / Q000032:analysis; D006801:Humans; D007194:India; D008297:Male; D008875:Middle Aged; D011162:Porphobilinogen / Q000652:urine; D011164:Porphyrias / Q000453:epidemiology*; D011166:Porphyrins / Q000032:analysis
D011166:Porphyrins; D011162:Porphobilinogen