title: Immunoglobulin levels in cord-blood serum of negroes and Caucasians.
mesh_terms: D001741:Black or African American; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D014470:Umbilical Cord; D044465:White People; D005719:gamma-Globulins / Q000032:analysis*
chemical_list: D005719:gamma-Globulins