Journal of Clinical Investigation · 2018 · 60 citations · 40 references
This study was supported by NIH K23 HL133438 (SPB) and the COPDGene study (NIH Grant Numbers R01 HL089897 and R01 HL089856). The COPDGene project is also supported by the COPD Foundation through contributions made to an Industry Advisory Board comprised of AstraZeneca, Boehringer Ingelheim, Novartis, Pfizer, Siemens, Sunovion and GlaxoSmithKline.
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The Nature of Small-Airway Obstruction in Chronic Obstructive Pulmonary Disease
James C. Hogg, Fanny Chu, Soraya Utokaparch et al. · New England Journal of Medicine · 2004 · 3.7K citations · Full text
The St George's Respiratory Questionnaire
Paul Jones, Frances Quirk, Chloë M. Baveystock · Respiratory Medicine · 1991 · 2.7K citations
Epidemiology Standardization Project (American Thoracic Society).
Ferris Bg · PubMed · 1978 · 1.4K citations
Clinical Epidemiology, Patient Safety, Thoracic Ultrasound +6