Comparison between Premarin and ethinyl oestradiol.
D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004966:Estrogens, Conjugated (USP) / Q000494:pharmacology*; D004997:Ethinyl Estradiol / Q000009:adverse effects / Q000494:pharmacology*; D005260:Female; D006801:Humans; D008593:Menopause / Q000187:drug effects*; D011446:Prospective Studies
D004966:Estrogens, Conjugated (USP); D004997:Ethinyl Estradiol