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Thite N, Jaggernath J, Chinanayi F, Bharadwaj S, Kunjeer G (2015). "Pattern of optometry practice and range of services in India". Optom Vis Sci. 92 (5): 615–22. doi:10.1097/OPX.0000000000000587. PMID25875681. S2CID20038412.