Short- and long-term effects of hormone replacement therapytransdermal estradiol vs oral conjugated equine estrogens, combined with medroxyprogesterone acetate - Boschetti, C; Cortellaro, M; Nencioni, T; Bertolli, V; Della Volpe, A; Zanussi, C (on blood coagulation factors in postmenopausal women, 1991)