title: Determination of ketoprofen in plasma by extractive methylation and electron-capture gas chromatography.
mesh_terms: D002849:Chromatography, Gas / Q000379:methods; D006801:Humans; D007660:Ketoprofen / Q000097:blood*; D008745:Methylation; D008832:Microchemistry; D010666:Phenylpropionates / Q000097:blood*
chemical_list: D010666:Phenylpropionates; D007660:Ketoprofen