Maintenance work on the ZORA databases is scheduled for Wednesday 22 May 2019 from 20:00-22:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Kirby, Miranda; Tanabe, Naoya; Tan, Wan C; Zhou, Guohai; Obeidat, Ma'en; Hague, Cameron J; Leipsic, Jonathon; Bourbeau, Jean; Sin, Don D; Hogg, James C; Coxson, Harvey O (2018). Total Airway Count on Computed Tomography and the Risk of Chronic Obstructive Pulmonary Disease Progression. Findings from a Population-based Study. American Journal of Respiratory and Critical Care Medicine, 197(1):56-65.