title: An improved gas--liquid chromatographic method for analysis of trimethylamine in urine.
mesh_terms: D000328:Adult; D002849:Chromatography, Gas / Q000379:methods; D006801:Humans; D006878:Hydroxides; D008094:Lithium; D008744:Methylamines / Q000652:urine*
chemical_list: D006878:Hydroxides; D008744:Methylamines; D008094:Lithium