PHQ-9 in screening of major depressive episode among COVID-19 survivors Adalberto Campo-Arias; John Carlos Pedrozo-Pupo; Zuleima Cogollo-Milanés;

Pandemic-Related Perceived Stress Scale of COVID-19: An exploration of online psychometric performance Adalberto Campo-Arias; María José Pedrozo-Cortés; John Carlos Pedrozo-Pupo;

Relationship Between Chronic Obstructive Pulmonary Disease Exacerbations and Depression Pablo Salomón Montes-Arcón; Adalberto Campo-Arias; John Carlos Pedrozo-Pupo;