Perincek, G. and Avcı, S. 2018. Evaluation of alpha-1-antitrypsin levels in blood serum of patients with chronic obstructive pulmonary disease. Acta Biomedica Atenei Parmensis. 90, 1 (Oct. 2018), 37–43. DOI:https://doi.org/10.23750/abm.v90i1.6780.