Yangari, Julia, y Paúl Espinosa. 2020. «Delirio Posoperatorio En Pacientes geriátricos Sometidos a Anestesia General Versus Neuroaxial, En Dos Hospitales De Quito - Ecuador: Postoperative Delirium in Geriatric Patients Subjected to General Anesthesia, Compared to Those Subjected to Neuraxial Anesthesia, in Two Hospitals of the City of Quito». La U Investiga 7 (2):9 – 24. http://948545.elmit.asia/index.php/lauinvestiga/article/view/445.