authors Anand S. Iyer, MD, MSPH Wells, James M Bhatt, Surya P Kirkpatrick, deNay P Sawyer, Patricia Brown, Cynthia J Allman, Richard M Bakitas, Marie A Dransfield, Mark T
has subject area Aged Depression Disease Progression Dyspnea Female Forced Expiratory Volume Humans Male Middle Aged Mobility Limitation Prospective Studies Pulmonary Disease, Chronic Obstructive Quality of Life Regression Analysis Social Isolation Walk Test