title: Factors affecting the development of serum immunoglobulin levels in infants.
mesh_terms: D000367:Age Factors; D000917:Antibody Formation; D005260:Female; D006801:Humans; D007112:Immunity, Maternally-Acquired; D007070:Immunoglobulin A / Q000032:analysis; D007074:Immunoglobulin G / Q000032:analysis; D007075:Immunoglobulin M / Q000032:analysis; D007136:Immunoglobulins / Q000032:analysis*; D007223:Infant; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000276:immunology; D007239:Infections / Q000276:immunology; D008297:Male; D008431:Maternal-Fetal Exchange; D011247:Pregnancy
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007136:Immunoglobulins