Abbas, Z. . . K.; Zaidan, T. . . . F. 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 . J Bagh Coll Dent 2018, 30 (1), 39-45. https://doi.org/10.12816/0046310.