1. Kulakov, V.I., Ledina, A.V., and Kuzemin, A.A., Planirovanie sem’i v Evrope, 1996, no. 2, pp. 15–18.
2. Serov, V.N., Informatsionnoe pis’mo rukovoditelyam departamentov zdravookhraneniya, glavnym akusheram-ginekologam territorii (An Informational Letter to Heads of Health Departments, Principal Obstetricians and Gynecologists), Moscow, 1999.
3. Kuzemin, A.A., Kontratseptives i zdorov’e zhenshchin (Contraception and Women’s Health), Moscow: Mir, 1998.
4. Farmer, R., Farmer, R., and Preston, G., Obstetr. Gynecol., 1995, vol. 15, pp. 195–200.
5. Bokarev, I.N., Trombozy, gemoragii, DVS sindrom. Problemy lecheniya (Thromboses, Hemorrhages, DVS-Syndrome. Problems of Treatment), Moscow: Mir, 2002.