title: Determination of 6-mercaptopurine in plasma by mass spectrometry.
mesh_terms: D006801:Humans; D013058:Mass Spectrometry; D015122:Mercaptopurine / Q000031:analogs & derivatives / Q000097:blood*; D008722:Methods; D013056:Spectrophotometry, Ultraviolet
chemical_list: D015122:Mercaptopurine