Serum complement in connective tissue disorders.
D001327:Autoimmune Diseases; D003095:Collagen Diseases / Q000097:blood*; D003165:Complement System Proteins; D003238:Connective Tissue; D003240:Connective Tissue Diseases; D006801:Humans
D003165:Complement System Proteins
COLLAGEN DISEASES/blood in; COMPLEMENT