1. Contraception in women older than 40 years of age;Thorneycroft;Obstet Gynecol Clin North Am,1993
2. Contraception in the premenopause;Rudolf;Ther Umsch,1994
3. Contraception in the late reproductive years;Paseka;Ceska Gynekol,1996
4. Ovarian function during hormonal replacement therapy in perimenopausal women;Martinez;Adv Contracept,1993
5. Plasma fibrinogen in women;Lee;Br J Haematol,1993