“Association Between Nutritional Indeces and Days of Mechanical Ventilation in Critically Ill Geriatric Patients”. Revista del Centro de Investigación de la Universidad La Salle 14, no. 55 (May 31, 2021): 179–197. Accessed October 17, 2026. https://revistasinvestigacion.lasalle.mx/index.php/recein/article/view/2830.