Kamble, Vinod, Aparna Takpere, Santosh Biradar, and Sriniwas Reddy. “Assessment of Visual Problems in Elderly in an Urban Slum Community of Mumbai”. Indian Journal of Pharmaceutical and Biological Research 2, no. 04 (December 31, 2014): 41-43. Accessed November 26, 2020. http://ijpbr.in/index.php/IJPBR/article/view/526.