title: Gas chromatography--mass spectrometry of guanidino compounds in brain.
mesh_terms: D000818:Animals; D001923:Brain Chemistry; D002849:Chromatography, Gas / Q000379:methods; D006146:Guanidines / Q000032:analysis*; D013058:Mass Spectrometry / Q000379:methods; D051381:Rats
chemical_list: D006146:Guanidines