TY - GEN AU - Sitruk-Ware, Regine AU - Bardin, C. Wayne TI - Contraception : newer pharmacological agents, devices, and delivery systems SN - 0824787005 PY - 1992/// CY - New York : PB - Marcel Dekker KW - Contraception KW - Methods KW - Contraceptive agents KW - Contraceptive devices ER -