Lamas, A M Deficiency of serum C1 subcomponents and low functional activity of C1- inhibitor in a patient with urticaria and cryoglobulinemia. [electronic resource] - The American journal of medicine Apr 1992 - 445-6 p. digital Publication Type: Case Reports; Letter ISSN: 0002-9343 Standard No.: 10.1016/0002-9343(92)90279-k doi Subjects--Topical Terms: AdultComplement C1--classificationComplement C1 Inactivator Proteins--immunologyComplement C1r--deficiencyComplement C1s--deficiencyComplement C2--deficiencyComplement C4--deficiencyCryoglobulinemia--immunologyFemaleHumansUrticaria--immunology