Harahap Y, Astrini CR, Suryadi H. VALIDATION OF 6-MERCAPTOPURINE AND 6-THIOGUANINE IN DRIED BLOOD SPOT BY ULTRA PERFORMANCE LIQUID CHROMATOGRAPHY-TANDEM MASS SPECTROMETRY. Int J App Pharm [Internet]. 2018 Dec. 20 [cited 2024 Aug. 24];10(1):412-5. Available from: https://journals.innovareacademics.in/index.php/ijap/article/view/31579