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Risk and significance of endoscopic/radiological evidence of recurrent Crohn's disease.

Z. Cohen, R. McLeod, G. Greenberg, 1997, Gastroenterology.

Wax Keratosis in Children's Ears

R. Chaytor, J. Black, 1958, British medical journal.

Risk and significance of endoscopic/radiological evidence of recurrent Crohnʼs disease

Z. Cohen, R. McLeod, G. Greenberg, 1998 .

Prophylactic mesalamine treatment decreases postoperative recurrence of Crohn's disease.

Z. Cohen, R. McLeod, G. Greenberg, 1995, Gastroenterology.