title: The origin of gamma G globulins in human amniotic fluid.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis*; D000917:Antibody Formation; D005260:Female; D005333:Fetus / Q000276:immunology; D005838:Genotype; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007141:Immunoglobulin Fc Fragments / Q000032:analysis*; D007128:Immunoglobulin Fragments / Q000032:analysis*; D007074:Immunoglobulin G / Q000032:analysis*; D008297:Male; D008431:Maternal-Fetal Exchange; D010641:Phenotype; D011247:Pregnancy; D012204:Rh-Hr Blood-Group System
chemical_list: D007141:Immunoglobulin Fc Fragments; D007128:Immunoglobulin Fragments; D007074:Immunoglobulin G; D012204:Rh-Hr Blood-Group System