Meza García, M.; Cornejo Valdivia, C.; Zegarra Piérola, J.; Porras García, W.; Díaz Guadalupe, A.; Valdivia Núñez, E.; Hernández Sánchez, A. Morbidity and Mortality of Patients With Acute Respiratory Failure Undergoing Non-Invasive Mechanical Ventilation in the Adult Intensive Care Unit in Hospital Nacional Cayetano Heredia, 2007-2008. Acta Med Peru 2009, 26, 192 - 198.