Animals, Laboratory 1 Antibodies 1 Antigens 1 Biology 1 Clinical Research 1 Contraception 1 Contraception Research 1 mehr ... Contraception, Immunological 1 Family Planning 1 Fertilization 1 Genitalia 1 Germ Cells Immunity 1 Immunologic Factors 1 Infertility 1 Journal Article 1 Physiology 1 Reproduction 1 Research Methodology 1 Research Support, Non-U.S. Gov't 1 Research Support, U.S. Gov't, Non-P.H.S. 1 Review 1 Spermatozoa 1 Treatment 1 Urogenital System 1 Vaccines, Synthetic 1 fertilization antigen 1 weniger ...