Peer Review Simultaneous Analysis of 6-Mercaptopurine, 6-Methylmercaptopurine, and 6-Thioguanosine-5’-monophosphate in Dried BloodSpot Using Ultra Performance Liquid Chromatography Tandem Mass Spectrometry Supandi Supandi, Supandi Supandi Supandi, Supandi Peer Review Simultaneous Analysis of 6-Mercaptopurine, 6-Methylmercaptopurine, and 6-Thioguanosine-5’-monophosphate in Dried BloodSpot Using Ultra Performance Liquid Chromatography Tandem Mass Spectrometry. UHAMKA. Download Disini!