the feasibility of using constant infusions of unlabelled oestrone sulphate ( e1s ) for the purposes of calculating its metabolic clearance rate ( mcre1s ) and its conversion ratios to oestrone ( e1 ) and oestradiol ( e2 ) in post-menopausal women was exploited in this study .
C0059668
oestrone sulphate
C0014942
oestrone