Clinical and economic burden of dyspnea and other COPD symptoms in a managed care setting

by Stephenson JJ, Wertz D, Gu T, Patel J, Dalal AA
Published 2017-07-01

Impact of lung function on exacerbations, health care utilization, and costs among patients with COPD

by Ke X, Marvel J, Yu TC, Wertz D, Geremakis C, Wang L, Stephenson JJ, Mannino DM
Published 2016-07-01