6Jablonska S. Wan viruses: human papilloma viruses [J]. Semin Dermatol, 1984, 3 (2): 120-129.
7Cobb M W. Human papillomavirus infection[J]. J Am Aead Dermatol, 1990, 22 (4): 547-566.
8Kim M B, Ko H C, Jang H S, et al. Treatment of flat warts with 5% imiquimod cream [J]. J Eur Acad Dermatol Venereol, 2006, 20 (10): 1349-1350.
9Kubeyinje E P. Evaluation of the efficacy and safety of 0.05% tretinoin cream in the treatment of plane warts in Arab children [J]. J Deramtol Treat, 1996, 7 (1): 21-22.
10Melton J L, Rasmussen J E. Clinical manifestations of human papillomavirus infection in nongenital sites [J ]. Dermatol Clin, 1991, 9 (2) : 219-233.
