Using immunity to block conception.
Barinaga
M
M
D000818:Animals; D003267:Contraception / Q000379:methods*; D004527:Egg Proteins / Q000276:immunology; D005260:Female; D008297:Male; D013094:Spermatozoa / Q000276:immunology; D014612:Vaccines
D004527:Egg Proteins; D014612:Vaccines