title: Preliminary attempts to terminate pregnancy by immunological attack on uterine protein.
mesh_terms: D000022:Abortion, Spontaneous / Q000276:immunology*; D000818:Animals; D000937:Antigen-Antibody Reactions; D011232:Chemical Precipitation; D005260:Female; D007106:Immune Sera; D011247:Pregnancy; D011270:Pregnancy, Animal; D011506:Proteins; D011817:Rabbits / Q000276:immunology; D013552:Swine; D014599:Uterus / Q000276:immunology*
chemical_list: D007106:Immune Sera; D011506:Proteins