Zafirova-Ivanovska, B., Stojkovikj, J., Dokikj, D., Anastasova, S., Debresliovska, A., Zejnel, S., & Stojkovikj, D. (2016). The Level of Cholesterol in COPD Patients with Severe and Very Severe Stage of the Disease. Open Access Macedonian Journal of Medical Sciences, 4(2), 277–282. https://doi.org/10.3889/oamjms.2016.063