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