L. V. de Sousa, O., D. . M. V. Magalhães, P. de A. Vieira, and R. Silva. “Deep Learning in Image Analysis for COVID-19 Diagnosis: A Survey”. IEEE Latin America Transactions, vol. 19, no. 6, June 2021, pp. 925-36, https://latamt.ieeer9.org/index.php/transactions/article/view/4290.