Grading Severity of Productive Cough Based on Symptoms and Airflow Obstruction

Normalization of FEV1/FVC Ratio to Greater Than 0.7 Does Not Equal Resolution of Disease

(2018) Rodrigo Vazquez Guillamet et al.   AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE

The Presence of Chronic Mucus Hypersecretion across Adult Life in Relation to Chronic Obstructive Pulmonary Disease Development

(2016) James P. Allinson et al.   AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE

Clinical Significance of Symptoms in Smokers with Preserved Pulmonary Function

(2016) Prescott G. Woodruff et al.   NEW ENGLAND JOURNAL OF MEDICINE

Indacaterol–Glycopyrronium versus Salmeterol–Fluticasone for COPD

(2016) Jadwiga A. Wedzicha et al.   NEW ENGLAND JOURNAL OF MEDICINE

Chronic Bronchitis Is Associated With Worse Symptoms and Quality of Life Than Chronic Airflow Obstruction

(2015) Paula M. Meek et al.   CHEST

Low plasma CC16 levels in smokers are associated with a higher risk for chronic bronchitis: TABLE 1

(2015) Hans Petersen et al.   EUROPEAN RESPIRATORY JOURNAL

Protective role for club cell secretory protein-16 (CC16) in the development of COPD

(2015) Maria E. Laucho-Contreras et al.   EUROPEAN RESPIRATORY JOURNAL

Effect of roflumilast on exacerbations in patients with severe chronic obstructive pulmonary disease uncontrolled by combination therapy (REACT): a multicentre randomised controlled trial

(2015) Fernando J Martinez et al.   LANCET

Lung-Function Trajectories Leading to Chronic Obstructive Pulmonary Disease

(2015) Peter Lange et al.   NEW ENGLAND JOURNAL OF MEDICINE

Heredity of chronic bronchitis: A registry-based twin study

(2014) Howraman Meteran et al.   RESPIRATORY MEDICINE

Rapid Lung Function Decline in Smokers Is a Risk Factor for COPD and Is Attenuated by Angiotensin-Converting Enzyme Inhibitor Use

(2013) Hans Petersen et al.   CHEST

Diverging trends of chronic bronchitis and smoking habits between 1998 and 2010

(2013) Simone Accordini et al.   RESPIRATORY RESEARCH

Genome-Wide Association Analysis of Blood Biomarkers in Chronic Obstructive Pulmonary Disease

(2012) Deog Kyeom Kim et al.   AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE

The chronic bronchitis phenotype in subjects with and without COPD: the PLATINO study

(2012) Maria Montes de Oca et al.   EUROPEAN RESPIRATORY JOURNAL

The Chronic Bronchitic Phenotype of COPD

(2011) Victor Kim et al.   CHEST

Chronic bronchitis in the general population: Influence of age, gender and socio-economic conditions

(2011) Alexis Ferré et al.   RESPIRATORY MEDICINE

Wood Smoke Exposure and Gene Promoter Methylation Are Associated with Increased Risk for COPD in Smokers

(2010) Akshay Sood et al.   AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE

Genetic Epidemiology of COPD (COPDGene) Study Design

(2010) Elizabeth A. Regan et al.   COPD-Journal of Chronic Obstructive Pulmonary Disease

Predicting risk of airflow obstruction in primary care: Validation of the lung function questionnaire (LFQ)

(2010) Nicola A. Hanania et al.   RESPIRATORY MEDICINE

Chronic obstructive pulmonary disease in the absence of chronic bronchitis in China

(2010) Ming LU et al.   RESPIROLOGY

Prevalence, pathogenesis, and causes of chronic cough

(2008) Kian Fan Chung et al.   LANCET

A 4-Year Trial of Tiotropium in Chronic Obstructive Pulmonary Disease

(2008) Donald P. Tashkin et al.   NEW ENGLAND JOURNAL OF MEDICINE