Epidemiology, Incidence and Prevalence of Fistula in Ano
Herand Abcarian (ed.)Anal Fistula2014Principles and Management10.1007/978-1-4614-9014-2_1 © Springer Science+Business Media New York 2014 1. Epidemiology, Incidence and Prevalence of Fistula in Ano Richard L. Nelson1 and Herand Abcarian2 (1) Northern General Hospital, Herr Road, Sheffield, South Yorkshire,…