Benevides, L. M. B., L. M. Fernandes, L. de F. da Silva, M. S. Farias, A. C. S. Rabelo, and S. C. de Oliveira. “Clinical Nursing Practice for the Reduction of Anxiety in Patients in the Cardiac Preoperative Period: An Intervention Research”. Online Brazilian Journal of Nursing, vol. 19, no. 2, Sept. 2020, doi:10.17665/1676-4285.20206381.