@article {1433736,
	title = {Rate of decline in FEV1: is emphysema the culprit?},
	journal = {Am J Respir Crit Care Med},
	volume = {185},
	number = {1},
	year = {2012},
	month = {2012 Jan 01},
	pages = {2-3},
	keywords = {Bronchodilator Agents, Female, Humans, Male, Pulmonary Disease, Chronic Obstructive, Radiography, Respiratory Physiological Phenomena},
	issn = {1535-4970},
	doi = {10.1164/rccm.201111-1938ED},
	author = {Washko, George R}
}