Boccalatte, Luis Alejandro. “Vaccination in Patients Undergoing Surgery and Optimal Timing of Surgery in Patients Who Have Been Infected With SARS-Cov-2: Two Key Issues in Surgery”. Interamerican Journal of Health Sciences, no. 1 (December 3, 2021). Accessed April 24, 2024. https://ijhsc.com/journal/article/view/19.