title: [THE PROBLEM OF ETHER-SOLUBLE PORPHYRINS].
mesh_terms: D001826:Body Fluids; D002845:Chromatography; D004986:Ether; D004987:Ethers; D006801:Humans; D011164:Porphyrias; D011166:Porphyrins; D014556:Urine
chemical_list: D004987:Ethers; D011166:Porphyrins; D004986:Ether
keywords: CHROMATOGRAPHY; PORPHYRIA; PORPHYRINS; URINE
vernacular_title: IL PROBLEMA DELLE PORFIRINE ETERE-SOLUBILI.