Sajid, M. S., A. J. Shakir, K. Khatri, and M. K. Baig. “The Role of Perioperative Warming in Surgery: A Systematic Review”. São Paulo Medical Journal, vol. 127, no. 4, July 2009, pp. 231-7, https://periodicosapm.emnuvens.com.br/spmj/article/view/1888.