Cigarette smoking does not increase hydrogen peroxide levels in expired breath condensate of patients with stable COPD.

Abstract

Cigarette smoking is the most common factor responsible for the development of chronic obstructive pulmonary disease (COPD) leading to oxidant overload in the lower airways because of the presence of oxidants in cigarette smoke and recruitment and activation of pulmonary phagocytes. In this study we intended to determine whether: 1) patients with stable… (More)

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