The Clinical Features of Bronchiectasis Associated with Alpha-1 Antitrypsin Deficiency, Common Variable Immunodeficiency and Primary Ciliary Dyskinesia--Results from the U.S. Bronchiectasis Research RegistryEdward Eden, Kevin Winthrop, Mark L. Metersky et al.|Chronic Obstructive Pulmonary Diseases Journal of the COPD Foundation|2019Cited by 42