O'Morain, Colm A. Crohn’s disease : Treatment and pathogenesis / C.A. O’Morain. - Boca Raton, Fla. : CRC Press, Inc., 1987. - 176 p. : ill. ; 27 cm. Includes bibliographical and index ISBN: 0-8493-6736-0 Subjects--Topical Terms: Crohn’s diseaseCrohn Disease-etiology