title: Prophyrins in normal Egyptians.
mesh_terms: D000293:Adolescent; D000328:Adult; D004534:Egypt; D005243:Feces / Q000032:analysis; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011166:Porphyrins / Q000097:blood* / Q000652:urine*
chemical_list: D011166:Porphyrins