Srinivasan Gopalan. “Comparative Study of Topical Versus Peribulbar Anaesthesia in Phacoemulsification Cataract Surgery”. International Journal of Allied Medical Sciences and Clinical Research, vol. 4, no. 4, Aug. 2020, pp. 737-42, doi:10.61096/ijamscr.v4.iss4.2016.737-742.