[Possibility of caffeine occurring as an unknown drug in the determination of antipyrine in plasma].
D000983:Antipyrine / Q000097:blood*; D002110:Caffeine / Q000097:blood*; D002849:Chromatography, Gas; D008401:Gas Chromatography-Mass Spectrometry; D006801:Humans
D002110:Caffeine; D000983:Antipyrine
Moznost výskytu kofeínu ako neznámej látky pri stanovení antipyrínu v plasme.