Pineda-Borja, Vanessa, and Jheferson Contreras-Grande. “Pleural Preservation Sign in Patients With COVID-19”. Revista Medica Herediana 32, no. 3 (October 22, 2021): 184–184. Accessed April 20, 2024. https://revistas.upch.edu.pe/index.php/RMH/article/view/4063.