A. Turai, P. Prabha, and Rachana, “A Clinical Study to Evaluate the Effect of Intrathecal Atropine on Post Operative Nausea and Vomiting in Patients Receiving Intrathecal Morphine and Hyperbaric Bupivacaine for Spinal Anaesthesia: Prospective Randomized Trial”, kaj, vol. 17, no. 1-2, pp. 23–31, Apr. 2021.