J. H. H. Okuyama, T. F. Galvão, M. T. L. Crozatti, and M. T. Silva, “Health professionals’ perception of patient safety culture in a university hospital in São Paulo: A cross-sectional study applying the Hospital Survey on Patient Safety Culture”, Sao Paulo Med J, vol. 137, no. 3, pp. 216–222, Jun. 2019.