CAMPBELL-SILVA, S.; CAMPBELL-QUINTERO, S.; CAMPBELL-QUINTERO, S.; CASTRO-GONZÁLEZ, I.; VÁSQUEZ-ARIAS, F.; VANEGAS-GUARNIZO, E. SARS-CoV-2 pneumomediastinum: A proposed pneumomediastinum classification. Acta Medica Colombiana, v. 47, n. 3, 15 Sep. 2021.