Lanz-Luces, José Ramón, Héctor Aceituno, Fernando Quiroz-Bravo, Felipe Rodiguez-Flores, Marcela Osores-Espinoza, Dairene Rigaud, Denis Pérez-Cuesta, Khan Abid, Aline Tobar-Bustamante, Andrea Barrancas, Carla Figueroa-Torres, José Gutierrez de la Cruz, Francisca Burgos-Alarcón, y Jenifer Gómez-Donoso. 2022. «Long-Lasting Brain Fog Is Related With Severity Clusters of Symptoms in COVID-19 Patients. Background: COVID-19 Patients May Experience Lon-Lasting Symptoms from Weeks to Even Months. Aim: To Evaluate Long-Term Cognitive Impairment Based on the Severity». Revista Médica De Chile 150 (11). https://revistamedicadechile.cl/index.php/rmedica/article/view/9649.