1. Vital and Health Statistics, Series 11, No. 212;Johnson,1978
2. The population incidence of warts;Beliaeva;Vestn Dermatol Venereol,1990
3. The descriptive epidemiology of warts in British schoolchildren;Williams;Br J Dermatol,1993
4. The prevalence of common skin conditions in Australian school students: 1. Common, plane and plantar viral warts;Kilkenny;Br J Dermatol,1998
5. Communal showers and the risk of plantar warts;Johnson;J Fam Pract,1995