Chavan, W. M., Kamble, M. G., & Giri, P. A. (2017). Study of prevalence and socio-demographic determinants of pterygium patients attending at a tertiary care teaching hospital of Western Maharashtra, India. International Journal of Research in Medical Sciences, 3(4), 846–848. Retrieved from https://www.msjonline.org/index.php/ijrms/article/view/1393