title: Determination of nanogram quantities of diphenhydramine and orphenadrine in human plasma using gas-liquid chromatography.
mesh_terms: D002849:Chromatography, Gas; D004155:Diphenhydramine / Q000097:blood*; D004305:Dose-Response Relationship, Drug; D006801:Humans; D008297:Male; D008722:Methods; D009966:Orphenadrine / Q000097:blood*; D013997:Time Factors
chemical_list: D004155:Diphenhydramine; D009966:Orphenadrine