Validity of the Patient Health Questionnaire-9 (PHQ-9) for depression screening in adult primary care users in Bucaramanga, Colombia Carlos Arturo Cassiani-Miranda; Angy Karina Cuadros-Cruz; Harold Torres-Pinzón; Orlando Scoppetta; Jhon Henrry Pinzón-Tarrazona; Wendy Yulieth López-Fuentes; Andrea Paez; Diego Fernando Cabanzo-Arenas; Sergio Ribero-Marulanda; Elkin René Llanes-Amaya;

Review of the COVID-19 Pandemic-related Perceived Stress Scale (PSS¿10¿C) Adalberto Campo-Arias; John Carlos Pedrozo-Pupo; Edwin Herazo;

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