1. Pulmonary hyperinflation due to gas trapping and pulmonary artery size: The MESA COPD Study Poor, Hooman D.; Kawut, Steven M.; Liu, Chia-Ying; Smith, Benjamin M.; Hoffman, Eric A.; Lima, Joao A.; Ambale Venkatesh, Bharath; Michos, Erin D.; Prince, Martin R.; Barr, R. Graham 2017 Articles Pulmonary hypertensionMagnetic resonance imagingPulmonary arteryLungs--Diseases, Obstructive