title: Depressed mmunoglobulin G in newborn infants witDown's syndrome.
mesh_terms: D000361:Agammaglobulinemia; D044383:Black People; D004314:Down Syndrome / Q000097:blood / Q000276:immunology*; D005260:Female; D005326:Fetal Proteins / Q000096:biosynthesis; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis*; D007075:Immunoglobulin M / Q000032:analysis; D007231:Infant, Newborn; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D011250:Pregnancy Complications, Hematologic; D044465:White People
chemical_list: D005326:Fetal Proteins; D007074:Immunoglobulin G; D007075:Immunoglobulin M