Urbina Rosero IM, Miranda Solís EM. Cov 2 SARS pneumonia (COVID – 19) and Polycythemia. Filing a case. MedicienciasUTA [Internet]. 2021 Apr. 1 [cited 2024 Jul. 3];5(2):27-34. Available from: https://revistas.uta.edu.ec/erevista/index.php/medi/article/view/1082