Ochoa-Ariza, M.F., Trejos-Caballero, J.L., Parra-Gelves, C.M., Camargo-Lozada, M.E., Laguado-Nieto, M.A., 2020. Pneumomediastinum and pneumopericardium in an adolescent with asthma attacks. Case report.. https://doi.org/10.15446/cr.v6n1.81485