title: Deficiency of serum C1 subcomponents and low functional activity of C1- inhibitor in a patient with urticaria and cryoglobulinemia.
authors.forename: A M
authors.initials: AM
authors.lastname: Lamas
authors.forename: P I
authors.initials: PI
authors.lastname: Arnold
authors.forename: D R
authors.initials: DR
authors.lastname: Schultz
mesh_terms: D000328:Adult; D003172:Complement C1 / Q000145:classification / Q000172:deficiency*; D003174:Complement C1 Inactivator Proteins / Q000276:immunology*; D015923:Complement C1r / Q000172:deficiency; D003173:Complement C1s / Q000172:deficiency; D003175:Complement C2 / Q000172:deficiency; D003181:Complement C4 / Q000172:deficiency; D003449:Cryoglobulinemia / Q000276:immunology*; D005260:Female; D006801:Humans; D014581:Urticaria / Q000276:immunology*
chemical_list: D003172:Complement C1; D003174:Complement C1 Inactivator Proteins; D003175:Complement C2; D003181:Complement C4; D015923:Complement C1r; D003173:Complement C1s