Kashif Iqbal, Taimoor Safdar Chaudry, Ali Akhtar Khan, Abdullah Jan, Javed Iqbal Bangish, and Khurram Waheed. “Nasolabial Angle-A: Correlation Between Anatomic Point Tracing Method and Mean Tangential Lines Tracing Method”. Pakistan Armed Forces Medical Journal 74, no. 4 (August 30, 2024): 916–920. Accessed April 8, 2025. https://pafmj.org/PAFMJ/article/view/9239.