Harahap, Y. et al. 2018. EFFECT OF DIFFERENT ANTICOAGULANTS IN DETERMINING METFORMIN HYDROCHLORIDE LEVELS IN HUMAN PLASMA USING HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY. International Journal of Applied Pharmaceutics. 10, 1 (Dec. 2018), 148–151. DOI:https://doi.org/10.22159/ijap.2018.v10s1.31.