title: The nonoccurrence of hemo- and kryptopyrrole in urine of schizophrenics.
mesh_terms: D002849:Chromatography, Gas; D006801:Humans; D013058:Mass Spectrometry; D011758:Pyrroles / Q000652:urine*; D012559:Schizophrenia / Q000652:urine*
chemical_list: D011758:Pyrroles