P. Giri and J. Ruparelia, “Pregabalin and intravenous lidocaine for management of postoperative pain and surgical stress response in elective laparotomies: A double blind randomised controlled trial: Pregabalin and IV lidocaine for postoperative pain”, JPAHS, vol. 8, no. 3, pp. 69–78, Jan. 2022.