title: IgG subclasses in relation to viscosity and cryoglobulin syndromes.
mesh_terms: D001796:Blood Protein Disorders / Q000276:immunology*; D001809:Blood Viscosity; D003450:Cryoglobulins; D006801:Humans; D007070:Immunoglobulin A / Q000032:analysis; D007074:Immunoglobulin G / Q000032:analysis; D007075:Immunoglobulin M; D005719:gamma-Globulins / Q000032:analysis*
chemical_list: D003450:Cryoglobulins; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D005719:gamma-Globulins