1 Noguera A, Sala E, Pons AR, et al. Expression of adhesion molecules during apoptosis of circulating neutrophils in COPD. Chest 2004; 125:1837–1842 2 Pletz MW, Ioanas M, de Roux A, et al. Reduced spontaneous apoptosis in peripheral blood neutrophils during exacerbation of COPD. Eur Respir J 2004; 23:532–537 3 Teramoto S, Tomita T, Matsui H, et al. Hydrogen peroxideinduced apoptosis and necrosi...