Working Paper
Sen, Parveen, Arun Bhargava, Ronnie George, V S Ramesh, Arvind Hemamalini, Raju Prema, Govindasamy Kumaramanickavel, and Lingam Vijaya.
"Prevalence of retinitis pigmentosa in South Indian population aged above 40 years." Ophthalmic epidemiology 15, no. 4 (2008): 279-281.