title: Serum precipitins against respiratory tract pathogens in 522 "normal" children, and 48 cases of cystic fibrosis treated with cloxacillin.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D003023:Cloxacillin / Q000627:therapeutic use*; D003550:Cystic Fibrosis / Q000188:drug therapy / Q000276:immunology*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D011234:Precipitins / Q000032:analysis*; D012141:Respiratory Tract Infections / Q000276:immunology*
chemical_list: D011234:Precipitins; D003023:Cloxacillin