title: Internal standards for use in vapor-phase chromatography of drugs.
mesh_terms: D000927:Anticonvulsants / Q000032:analysis*; D001463:Barbiturates; D002849:Chromatography, Gas / Q000592:standards; D006801:Humans; D006827:Hydantoins; D007202:Indicators and Reagents
chemical_list: D000927:Anticonvulsants; D001463:Barbiturates; D006827:Hydantoins; D007202:Indicators and Reagents