title: ABC of colorectal diseases. Anal fissures and fistulas.
authors.affiliation: Wythenshawe Hospital, Manchester.
authors.forename: B D
authors.initials: BD
authors.lastname: Hancock
mesh_terms: D003424:Crohn Disease / Q000150:complications; D005401:Fissure in Ano / Q000628:therapy; D006801:Humans; D012003:Rectal Fistula / Q000209:etiology / Q000628:therapy; D012008:Recurrence