Khalid, Zahra, Maheen Khan, Rumeesha Zaheer, and Ahmed Tanveer. 2019. “NASOLABIAL ANGLE: SEARCHING FOR A CONSENSUS AMONG ORTHODONTISTS, MAXILLOFACIAL SURGEONS AND PLASTIC SURGEON”. Pakistan Armed Forces Medical Journal 69 (6):1335-40. https://pafmj.org/PAFMJ/article/view/3661.