title: Presence and origin of human IgG subclass proteins in newborns.
mesh_terms: D000328:Adult; D001798:Blood Proteins / Q000032:analysis* / Q000096:biosynthesis; D002499:Centrifugation, Density Gradient; D002850:Chromatography, Gel; D005260:Female; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D005779:Immunodiffusion; D007074:Immunoglobulin G / Q000032:analysis* / Q000145:classification; D007223:Infant; D007231:Infant, Newborn; D011247:Pregnancy; D014470:Umbilical Cord
chemical_list: D001798:Blood Proteins; D007074:Immunoglobulin G