Sadiq, Muhammad Naqaish, et al. “USE OF SUPERO-TEMPORAL FREE CONJUNCTIVO-LIMBAL AUTOGRAFT IN THE SURGICAL MANAGEMENT OF PTERYGIUM: OUR TECHNIQUE AND RESULTS”. Journal of Ayub Medical College Abbottabad, vol. 21, no. 4, Dec. 2009, pp. 121-4, https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/3161.