4Gibbs S, Harvey I, Sterling J, et al. Papers Local treatments for cutaneous warts: systematic review Commentary: Systematic reviewers face challenges fi'om varied study designs [J~. BMJ, 2002, 325 (7362): 461-464.
5Stender IM, Na R, Fogh H, et al. Photodynamic therapy with 5-aminolaevulinic acid or placebo for recalcitrant foot and hand warts: randomized double-blind trail[J]. Lancet, 2000, 355 (9208): 963-966.
8Trottier H, Burchell AN. Epidemiology of mucosal human papillomavirusinfection and associated diseases[J].Public Health Genomics,2009,12(5-6):291-307.
9Lipke MM. An armamentarium of wart treatments[J].Clin Med Res,2006,4(4):273-293.
