title: Heteroimmunization with isolated pig zonae pellucidae.
mesh_terms: D000818:Animals; D005260:Female; D007106:Immune Sera / Q000302:isolation & purification*; D010063:Ovum / Q000276:immunology*; D011817:Rabbits; D013552:Swine / Q000276:immunology; D015044:Zona Pellucida / Q000276:immunology*
chemical_list: D007106:Immune Sera