title: IgG subclasses. A historical perspective.
authors.affiliation: Department of Rheumatology, Brigham and Women's Hospital, Harvard Medical School, Boston, Mass.
authors.forename: P H
authors.initials: PH
authors.lastname: Schur
mesh_terms: D006801:Humans; D007074:Immunoglobulin G / Q000145:classification*; D007136:Immunoglobulins / Q000145:classification
chemical_list: D007074:Immunoglobulin G; D007136:Immunoglobulins