4Chan SH,Tan T.HLA and allopurinol drug eruption[J].Dermatologica,1989,17(9):32233.
5Schnyder B,Zanni MP,Pichler WJ.Drug2inducedhypersensitivity syndrome:A review and presentation of 2personal cases[J].Schweiz Med Wochenschr,1997,127(9):3552359.
3Chan H L, Stern R S, Arndt K A, et al. The incidence of erythema multiforme, Stevens-Johnson syndrome, and toxic epidermal necrolysis : a population-based study with particular reference to reactions caused by drugs among outpatients. Arch Dermatol, 1990,126 (1) :43.
4Gomes E R, Demoly P. Epidemiology of hypersensitivity drug reactions. Curr Opin Allergy Clin Immunol,2005,5(4):309.
5Roujeau J C, Stern R S. Severe adverse cutaneous reactions to drugs. New Engl J Med,1994,331(10):1272.