title: [Selective IgG deficiency--IgG subclass deficiency].
authors.affiliation: Hematology & Immunology Section, Kanazawa Medical University.
authors.forename: S
authors.initials: S
authors.lastname: Sugai
mesh_terms: D006801:Humans; D017099:IgG Deficiency / Q000145:classification / Q000503:physiopathology; D017578:Immunoglobulin Class Switching