Pejkovska, S., Jovkovska Kaeva, B., Goseva, Z., Arsovski, Z., Jovanovska Janeva, J. and Zeynel, S. 2015. Predictive Factors for the Effect of Treatment by Noninvasive Ventilation in Patients with Respiratory Failure as a Result of Acute Exacerbation of the Chronic Obstructive Pulmonary Disease. Open Access Macedonian Journal of Medical Sciences. 3, 4 (Nov. 2015), 655–660. DOI:https://doi.org/10.3889/oamjms.2015.115.