TY - GEN AU - Cao,Z AU - Pan,S AU - Liu,X TI - [Advances in the study on human chorionic gonadotropin based birth-control vaccines] SN - 0529-567X PY - 1997///0909 KW - Chorionic Gonadotropin, beta Subunit, Human KW - immunology KW - Contraception KW - methods KW - Female KW - Humans KW - Vaccines, Synthetic N1 - Publication Type: Journal Article; Review ER -