Ashfaq, M., M. S. M. Munshi, and B. Yousaf. “COMPARISON OF LINGUAL NERVE INJURY DURING SURGICAL EXTRACTION OF IMPACTED MANDIBULAR THIRD MOLAR WITH AND WITHOUT LINGUAL FLAP RETRACTION”. Pakistan Oral & Dental Journal, Vol. 37, no. 4, Dec. 2017, pp. 557-60, https://www.podj.com.pk/index.php/podj/article/view/14.