title: Sibling history of recurrent acute otitis media correlates with low IgG2 anti-pneumococcal polysaccharide antibody levels.
authors.forename: R A
authors.initials: RA
authors.lastname: Damoiseaux
authors.forename: L A
authors.initials: LA
authors.lastname: Sanders
authors.forename: F A
authors.initials: FA
authors.lastname: van Balen
authors.forename: G T
authors.initials: GT
authors.lastname: Rijkers
mesh_terms: D000907:Antibodies, Bacterial / Q000276:immunology; D002675:Child, Preschool; D020022:Genetic Predisposition to Disease; D006801:Humans; D007074:Immunoglobulin G / Q000276:immunology*; D007223:Infant; D009679:Nuclear Family; D010033:Otitis Media / Q000235:genetics* / Q000276:immunology*; D011135:Polysaccharides, Bacterial / Q000276:immunology*; D012008:Recurrence; D013296:Streptococcus pneumoniae / Q000276:immunology*
chemical_list: D000907:Antibodies, Bacterial; D007074:Immunoglobulin G; D011135:Polysaccharides, Bacterial