title: Nomenclature of the uroporphyrins: a historical study Waldenström's porphyrin or Hans Fischer's?
mesh_terms: D004952:Esters; D049673:History, 20th Century; D006801:Humans; D011166:Porphyrins / Q000145:classification / Q000266:history* / Q000302:isolation & purification / Q000652:urine; D009626:Terminology as Topic
chemical_list: D004952:Esters; D011166:Porphyrins