R. Gonçalves Cardoso, D. Sepúlveda, S. Ferreira, C. Bezerra, N. Sousa, and J. Magalhães, “PO 137 - PERCEIVED STRESS AND SAFETY IN PATIENTS SUBMITTED TO SURGICAL PROCEDURES DURING COVID-19 PANDEMIC ”, Rev Soc Port Anestesiol, vol. 30, no. 1, Jan. 2023.