Letter: Natural oestrogen replacement therapy and blood clotting.
D001777:Blood Coagulation / Q000187:drug effects*; D002986:Clinical Trials as Topic; D004970:Estrone / Q000494:pharmacology*; D004997:Ethinyl Estradiol / Q000494:pharmacology*; D005260:Female; D006801:Humans; D008593:Menopause
D004970:Estrone; D004997:Ethinyl Estradiol