title: On the contraceptive action of anti-HCG antibodies in the rat in early pregnancy.
mesh_terms: D000818:Animals; D000888:Antibodies, Anti-Idiotypic; D006063:Chorionic Gonadotropin / Q000276:immunology*; D005260:Female; D011247:Pregnancy; D011270:Pregnancy, Animal; D051381:Rats
chemical_list: D000888:Antibodies, Anti-Idiotypic; D006063:Chorionic Gonadotropin