Singh, N., Eeda, S. S., Gudapati, B. K., Reddy, S., Kanade, P., Shantha, G. P. S., . . . Khanna, R. C. (2014). Prevalence and Causes of Blindness and Visual Impairment and Their Associated Risk Factors, in Three Tribal Areas of Andhra Pradesh, India. Public Library of Science.

Singh, Nakul, Shiva Shankar Eeda, Bala Krishna Gudapati, Srinivasa Reddy, Pushkar Kanade, Ghanshyam Palamaner Subash Shantha, Padmaja Kumari Rani, Subhabrata Chakrabarti, and Rohit C. Khanna. Prevalence and Causes of Blindness and Visual Impairment and Their Associated Risk Factors, in Three Tribal Areas of Andhra Pradesh, India. Public Library of Science, 2014.

Singh, Nakul, et al. Prevalence and Causes of Blindness and Visual Impairment and Their Associated Risk Factors, in Three Tribal Areas of Andhra Pradesh, India. Public Library of Science, 2014.