Abbas, Z. K. and Zaidan, T. F. 2018. The Study of Oral Findings, Oxidative Stress and Antioxidant Vitamin E in Serum and Saliva of Crohn’s Patients on Azathioprine Monotherapy and those on Combination of Anti-TNF-α Plus Azathioprine . Journal of Baghdad College of Dentistry. 30, 1 (Mar. 2018), 39–45. DOI:https://doi.org/10.12816/0046310.