title: The complement system in essential mixed cryoglobulinemia.
mesh_terms: D000328:Adult; D001168:Arthritis / Q000276:immunology*; D003176:Complement C3 / Q000378:metabolism; D003165:Complement System Proteins / Q000378:metabolism*; D003450:Cryoglobulins / Q000032:analysis / Q000276:immunology*; D005260:Female; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis; D007075:Immunoglobulin M / Q000032:analysis; D008297:Male; D008875:Middle Aged; D011693:Purpura / Q000276:immunology*; D013577:Syndrome
chemical_list: D003176:Complement C3; D003450:Cryoglobulins; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D003165:Complement System Proteins