Reduction of preexisting transplantation immunity by specific pregnancy.
D000818:Animals; D000951:Antigens, Neoplasm; D005260:Female; D008297:Male; D008431:Maternal-Fetal Exchange; D051379:Mice; D008807:Mice, Inbred BALB C; D008811:Mice, Inbred DBA; D011247:Pregnancy; D011270:Pregnancy, Animal; D014181:Transplantation Immunology; D014184:Transplantation, Homologous
D000951:Antigens, Neoplasm