Houghton, A McGarry Endogenous modifiers of cigarette smoke exposure within the lung. [electronic resource] - Proceedings of the American Thoracic Society May 2012 - 66-8 p. digital Publication Type: Journal Article; Research Support, N.I.H., Extramural ISSN: 1943-5665 Standard No.: 10.1513/pats.201108-046MS doi Subjects--Topical Terms: HumansInflammation--immunologyLeukocyte Elastase--immunologyLung--enzymologyLung Neoplasms--enzymologyNeutrophils--enzymologyPulmonary Disease, Chronic Obstructive--enzymologyPulmonary Emphysema--enzymologySmoking--immunology