title: Detection of the "pregnancy zone" protein by means of an immunodiffusion method.
mesh_terms: D000510:Alpha-Globulins / Q000032:analysis*; D000653:Amniotic Fluid / Q000032:analysis; D000818:Animals; D000917:Antibody Formation; D001769:Blood; D011232:Chemical Precipitation; D003276:Contraceptives, Oral / Q000494:pharmacology; D004592:Electrophoresis, Starch Gel; D005260:Female; D006801:Humans; D007106:Immune Sera; D007114:Immunization; D005779:Immunodiffusion; D008722:Methods; D011247:Pregnancy; D011817:Rabbits / Q000276:immunology; D014470:Umbilical Cord
chemical_list: D000510:Alpha-Globulins; D003276:Contraceptives, Oral; D007106:Immune Sera