Drupal-Bibcite31<style face="normal" font="default" size="100%">Characteristics Associated with Accelerated Lung Function Decline in a Primary Care Population with Chronic Obstructive Pulmonary Disease</style><style face="normal" font="default" size="100%">Characteristics Associated with Accelerated Lung Function Decline in a Primary Care Population with Chronic Obstructive Pulmonary Disease</style>