Determination of Tamoxifen and 4-Hydroxytamoxifen Levels in Rat Plasma after Administration of the Ethyl Acetate Fraction of Myrmecodia erinaceae Becc. using Liquid Chromatography Tandem Mass-Spectrometry

Sri Teguh Rahayu, Yahdiana Harahap, Abdul Mun`im and Noorwati Sutandyo

International Journal of Pharmacology 14 ( 2 ): 215 - 223 , 2018