
Keywords: 7-AAD; 7-aminoactinomycin; ANOVA; analysis of variance; APC; allophycocyanin; CD; cluster of differentiation; COPD; chronic obstructive pulmonary disease; DNA; deoxyribonucleic acid; EDTA; ethylenediaminetetraacetic acid; EPX; eosinophil peroxidase; FACS;