title: Polyspermic fertilization in pigs after tubal deposition of excessive numbers of spermatozoa.
mesh_terms: D000818:Animals; D006063:Chorionic Gonadotropin; D004971:Estrus / Q000187:drug effects; D005187:Fallopian Tubes; D005260:Female; D005306:Fertilization; D007315:Insemination, Artificial; D008297:Male; D010060:Ovulation; D010063:Ovum / Q000166:cytology; D011247:Pregnancy; D012661:Semen / Q000166:cytology; D013094:Spermatozoa; D013552:Swine / Q000502:physiology*; D013997:Time Factors; D014599:Uterus
chemical_list: D006063:Chorionic Gonadotropin