Beck, D E Perianal Bowen's disease associated with Crohn's colitis. Report of a case. [electronic resource] - Diseases of the colon and rectum Mar 1989 - 252-5 p. digital Publication Type: Case Reports; Journal Article ISSN: 0012-3706 Standard No.: 10.1007/BF02554540 doi Subjects--Topical Terms: AdultAnal CanalBowen's Disease--etiologyCarcinoma, Squamous Cell--etiologyColitis--complicationsCrohn Disease--complicationsFemaleHumansSkin Neoplasms--etiology