title: Letter: Effect of natural oestrogens on coagulation.
mesh_terms: D001777:Blood Coagulation / Q000187:drug effects*; D001792:Blood Platelets / Q000187:drug effects; D004967:Estrogens / Q000494:pharmacology*; D005260:Female; D005340:Fibrinogen / Q000032:analysis; D006801:Humans; D008593:Menopause; D008875:Middle Aged; D011517:Prothrombin Time
chemical_list: D004967:Estrogens; D005340:Fibrinogen