title: Placental transfer of human IgG subclasses.
mesh_terms: D004899:Erythroblastosis, Fetal / Q000276:immunology; D005260:Female; D006801:Humans; D005779:Immunodiffusion; D007070:Immunoglobulin A / Q000378:metabolism; D007074:Immunoglobulin G / Q000378:metabolism; D007136:Immunoglobulins / Q000378:metabolism*; D007231:Infant, Newborn; D008431:Maternal-Fetal Exchange; D010920:Placenta / Q000378:metabolism*; D011247:Pregnancy; D014470:Umbilical Cord
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007136:Immunoglobulins