Awais, A. ., S. . Akram, D. . Awais, A. . Arshad, and Z. . Hassan. “Association of Different Type of Refractive Errors With Parental Cousin Marriages: Refractive Errors With Parental Cousin Marriages”. Pakistan Journal of Health Sciences, vol. 4, no. 05, May 2023, pp. 239-42, doi:10.54393/pjhs.v4i05.537.