LERTSITHICHAI, P. Principles of Statistics for Surgeons III: Factors Influencing Sample Size Estimation. The Thai Journal of Surgery, [S. l.], v. 33, n. 2, 2012. Disponível em: https://he02.tci-thaijo.org/index.php/ThaiJSurg/article/view/226856. Acesso em: 20 apr. 2024.