Abdollahi, M. H., S. K. Forouzannia, M. Bagherinasab, K. Barzegar, A. Fekri, M. Sarebanhassanabadi, and A. Entezari. “The Effect of Ondansetron and Meperedin on Preventing Shivering After Off-Pump Coronary Artery Bypass Graft”. Acta Medica Iranica, Vol. 50, no. 6, 1, pp. 395-8, https://acta.tums.ac.ir/index.php/acta/article/view/3919.