Letter to the editor

Goodin DS , Frohmann EM , Garmany GP Jr , Halper J , Likosky WH , Lublin FD et al. Disease modifying therapies in multiple sclerosis: report of the Therapeutics and Technology Assessment Subcommittee of the American Academy of Neurology and the MS Council for Clinical Practice Guidelines . Neurology 2002; 58: 169-178 .

Walther EU , Hohlfeld R. Multiple sclerosis: side effects of interferon beta therapy and their management . Neurology 1999; 53: 1622-1627 .

Schmidt S , Hertfelder HJ , von Spiegel T , Hering R , Harzheim M , Lassmann H et al. Lethal capillary syndrome after a single administration of interferon beta-1b . Neurology 1999; 53: 220-222 .

Carugati A , Pappalardo E , Zingale LC , Cicardi M. C1-inhibitor deficiency and angioedema . Mol Immunol 2001; 38: 161-173 .

Fremeaux-Bacchi V , Guinnepain MT , Cacoub P , Dragon-Durey MA , Mouthon L , Blouin J et al. Prevalence of monoclonal gammopathy in patients presenting with acquired angioedema type 2 . Am J Med 2002; 113: 194-199 .

He S , Tsang S , North J , Chohan N , Sim RB , Whaley K. Epitope mapping of C1 inhibitor autoantibodies from patients with acquired C1 inhibitor deficiency . J Immunol 1996; 156: 2009-2013 .

Kyle RA , Rajkumar SV. Monoclonal gammopathies of undetermined significance: a review . Immunol Rev 2003; 194: 112-139 .

Lugassy G , Platok I , Schlesinger M. Hypocomplementemia in multiple myeloma . Leuk Lymphoma 1999; 33: 365-370 .

Bork K , Barnstedt SE , Kock P , Traupe H. Hereditary angioedema with normal C1-inhibitor activity in women . Lancet 2000; 356: 213-217 .

Arnason BG , Dayal A , Qu ZW , Jensen MA , Genc K , Reder AT. Mechanism of action of interferon-b in multiple sclerosis . Springer Semin Immunopathol 1996; 18: 125-148 .