Harahap Y, Hakim MR, Soedigdo K. DEVELOPMENT AND VALIDATION OF METHAMPHETAMINE ANALYSIS IN SALIVA USING GAS CHROMATOGRAPHY-TANDEM MASS SPECTROMETRY. Int J App Pharm [Internet]. 2018 Dec. 20 [cited 2024 May 6];10(1):97-101. Available from: https://journals.innovareacademics.in/index.php/ijap/article/view/31430