Menezes, Sónia, Regina Rodrigues, Raquel Tranquada, Sofia Müller, Karina Gama, and Tânia Manso. 2013. “Injuries Resulting from Positioning for Surgery: Incidence and Risk Factors”. Acta Médica Portuguesa 26 (1). Lisbon, Portugal:12-16. https://doi.org/10.20344/amp.4006.