Evaluation of the Adjustment of Reference Equations for Impulse Oscillometry in Subjects With Down Syndrome Living in Mexico City Rosario Fernández-Plata; Laura Gochicoa-Rangel; Rogelio Pérez-Padilla; Anjarath Higuera-Iglesias; Christian Rodríguez-Hernández; Dalia Cano-Jimenez; Midori Pérez-Kawabe; Manuel Castillejos-López; David Martínez-Briseño;

Determinants of COVID-19 Hospitalization Costs in a Referral Hospital for Respiratory Diseases David Martínez-Briseño; Rosario Fernández-Plata; Rogelio Pérez-Padilla; Anjarath Higuera-Iglesias; Manuel Castillejos-López; Guillermo Casas-Medina; Patricia Sierra-Vargas; Víctor Hugo Ahumada-Topete;

The Impact of Altitude on Mortality Rates From COVID-19 in Mexico David Martínez-Briseño; Rogelio Pérez-Padilla; Rosario Fernández-Plata; Manuel Castillejos-López; Anjarath Lorena Higuera-Iglesias;