Manhas, A., Gupta, D., Manhas, R. S., & Manhas, G. S. (2017). Sociodemographic profile of pterygium patients attending Government Medical College, Jammu, Jammu and Kashmir- a study from North India. International Journal of Research in Medical Sciences, 5(4), 1384–1387. https://doi.org/10.18203/2320-6012.ijrms20171232