title: The production of congenital malformations using tissue antisera. VII. Yolk-sac antiserum.
mesh_terms: D000818:Animals; D000937:Antigen-Antibody Reactions; D000013:Congenital Abnormalities / Q000276:immunology*; D005321:Extraembryonic Membranes / Q000276:immunology*; D005260:Female; D006801:Humans; D007106:Immune Sera; D007231:Infant, Newborn; D011247:Pregnancy; D051381:Rats
chemical_list: D007106:Immune Sera