Ostos, Olga Lucía, Yolanda Cifuentes, Rubinsten Hernández Barbosa, and Liliana Muñoz Molina. “Neumonia Nosocomial”. Nova 4, no. 6 (December 15, 2006): 94–99. Accessed May 3, 2024. https://hemeroteca.unad.edu.co/index.php/nova/article/view/365.