A. . A. Khalil and S. . A. Sarkis, “An Immunohistochemical Expressions of BAD, MDM2, and P21 in Oral Squamous Cell Carcinoma”, J Bagh Coll Dent, vol. 28, no. 2, pp. 34–39, Jun. 2016, doi: 10.12816/0028211.