[Repeated upper respiratory tract infections among children and immune globulin--study of etiology of recurrent otitis media].
D000293:Adolescent; D000328:Adult; D000361:Agammaglobulinemia / Q000150:complications; D000906:Antibodies / Q000032:analysis; D001797:Blood Protein Electrophoresis; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis; D007075:Immunoglobulin M / Q000032:analysis; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D010033:Otitis Media / Q000209:etiology*; D012141:Respiratory Tract Infections / Q000276:immunology*; D005719:gamma-Globulins / Q000032:analysis*
D000906:Antibodies; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D005719:gamma-Globulins