| http://www.w3.org/ns/prov#value | - Suitable estrogens in the present invention include, but are not limited to, natural and synthetic compounds having estrogenic activity, such as, for example, estradiol (17??-estradiol), 17??-estradiol, estriol, estrone, and their esters, such as the acetate, sulfate, valerate or benzoate esters of these compounds, including, for example, estradiol 17??-cypionate, estradiol 17-propionate, estradio
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