Dr. A. Vishnuvardhan Reddy, Karthik Satya, Rajendra Prasad, and Syed Ali Aasim. “Efficacy of Pregabalin in Relieving Acute Postoperative Pain- Systemic Review & Metaanalysis”. Asian Pacific Journal of Health Sciences, vol. 4, no. 2, June 2017, pp. 93-96, doi:10.21276/apjhs.2017.4.2.15.