title: [Filter paper methods of screening tests for porphyrias. With special reference to the sensitivity (author's transl)].
mesh_terms: D005243:Feces / Q000032:analysis; D005374:Filtration; D006801:Humans; D008722:Methods; D011164:Porphyrias / Q000175:diagnosis*; D011166:Porphyrins / Q000032:analysis / Q000652:urine
chemical_list: D011166:Porphyrins