Harahap, Y., Leony, N., Silalahi, L. M. C., & Andalusia, R. (2018). SIMULTANEOUS QUANTIFICATION OF TAMOXIFEN AND 4-HYDROXY-N-DESMETHYLTAMOXIFEN LEVELS IN HUMAN PLASMA BY LIQUID CHROMATOGRAPHY-TANDEM MASS SPECTROMETRY: DEVELOPMENT AND APPLICATION IN BREAST CANCER PATIENTS. International Journal of Applied Pharmaceutics, 10(1), 370–375. https://doi.org/10.22159/ijap.2018.v10s1.82