Harahap, Y., A. Maulidina, and D. Ramadon. “THE EFFECT OF ANTICOAGULANT TYPES ON THE IN VITRO ANALYSIS OF CLOPIDOGREL IN HUMAN PLASMA USING LIQUID CHROMATOGRAPHY TANDEM-MASS SPECTROMETRY”. International Journal of Applied Pharmaceutics, vol. 10, no. 1, Dec. 2018, pp. 392-5, doi:10.22159/ijap.2018.v10s1.87.