tamoxifen , 4-hydroxytamoxifen and desmethyltamoxifen levels were measured in cytosolic and 0.5 m kcl extracted nuclear fractions from a small series of breast tumours from tamoxifen treated patients by gas chromatography-mass spectrometry ( gc-ms ) using selected ion monitoring ( sim ) .
C1458155
of
C0039286
tamoxifen