Supandi, Supandi dan Yahdiana Harahap, Yahdiana dan Harmita, Harmita dan Rizka Andalusia, Rizka dan Marlina Ika, Marlina  (2017) ANALYSIS OF 6-MERCAPTOPURINE AND 6-METHYLMERCAPTOPURINE IN DRIED BLOOD SPOTS USING LIQUID CHROMATOGRAPHY-TANDEM MASS SPECTROMETRY AND ITS APPLICATION IN CHILDHOOD ACUTE LYMPHOBLASTIC LEUKEMIA PATIENTS.  Asian Journal of Pharmaceutical and Clinical Research, 10 (9).  pp. 120-125.  ISSN 0974-2441