title: [IgG subclass deficiency and recurrent infections].
authors.affiliation: Center for pediatrics, Teine-Keijinkai Hospital.
authors.forename: Y
authors.initials: Y
authors.lastname: Sakiyama
mesh_terms: D006801:Humans; D017099:IgG Deficiency / Q000150:complications*; D007239:Infections / Q000209:etiology*; D012008:Recurrence