1.9(top 20%)
impact factor
1.3K(top 20%)
papers
32.2K(top 10%)
citations
74(top 10%)
h-index
2.0(top 20%)
impact factor
1.5K
all documents
34.3K
doc citations
121(top 10%)
g-index

Top Articles

#TitleJournalYearCitations
1Genetic Epidemiology of COPD (COPDGene) Study DesignCOPD: Journal of Chronic Obstructive Pulmonary Disease20111,007
2St. George's Respiratory Questionnaire: MCIDCOPD: Journal of Chronic Obstructive Pulmonary Disease2005713
3Identifying Individuals with Physcian Diagnosed COPD in Health Administrative DatabasesCOPD: Journal of Chronic Obstructive Pulmonary Disease2009505
4Minimal Clinically Important Differences in COPD Lung FunctionCOPD: Journal of Chronic Obstructive Pulmonary Disease2005398
5Minimally Clinically Important Difference for the UCSD Shortness of Breath Questionnaire, Borg Scale, and Visual Analog ScaleCOPD: Journal of Chronic Obstructive Pulmonary Disease2005309
6Global Strategy for the Diagnosis, Management, and Prevention of Chronic Obstructive Pulmonary Disease: GOLD Executive Summary Updated 2003COPD: Journal of Chronic Obstructive Pulmonary Disease2004291
7Alveolar Macrophages as Orchestrators of COPDCOPD: Journal of Chronic Obstructive Pulmonary Disease2004273
8The Burden of Obstructive Lung Disease Initiative (BOLD): Rationale and DesignCOPD: Journal of Chronic Obstructive Pulmonary Disease2005256
9Minimal Clinically Important Differences in the Six-Minute Walk Test and the Incremental Shuttle Walking TestCOPD: Journal of Chronic Obstructive Pulmonary Disease2005249
10COPD as a Lung Disease with Systemic Consequences – Clinical Impact, Mechanisms, and Potential for Early InterventionCOPD: Journal of Chronic Obstructive Pulmonary Disease2008240
11Measurement Properties and Interpretability of the Chronic Respiratory Disease Questionnaire (CRQ)COPD: Journal of Chronic Obstructive Pulmonary Disease2005237
12COPD as a Systemic DiseaseCOPD: Journal of Chronic Obstructive Pulmonary Disease2008204
13The Economic Impact of Exacerbations of Chronic Obstructive Pulmonary Disease and Exacerbation Definition: A ReviewCOPD: Journal of Chronic Obstructive Pulmonary Disease2010203
14The Electrophoretic α1-Globulin Pattern of Serum in α1-Antitrypsin DeficiencyCOPD: Journal of Chronic Obstructive Pulmonary Disease2013201
15Development and Initial Validation of a Self-Scored COPD Population Screener Questionnaire (COPD-PS)COPD: Journal of Chronic Obstructive Pulmonary Disease2008200
16Approaches and Recommendations for Estimating Minimally Important Differences for Health-Related Quality of Life MeasuresCOPD: Journal of Chronic Obstructive Pulmonary Disease2005194
17Acute Exacerbations of COPD in the United States: Inpatient Burden and Predictors of Costs and MortalityCOPD: Journal of Chronic Obstructive Pulmonary Disease2012171
18The Effects of Air Pollution and Temperature on COPDCOPD: Journal of Chronic Obstructive Pulmonary Disease2016163
19Dyspnea and Activity Limitation in COPD: Mechanical FactorsCOPD: Journal of Chronic Obstructive Pulmonary Disease2007160
20Augmentation Therapy for α1Antitrypsin Deficiency: A Meta-AnalysisCOPD: Journal of Chronic Obstructive Pulmonary Disease2009160
21The Clinical Importance of Dynamic Lung Hyperinflation in COPDCOPD: Journal of Chronic Obstructive Pulmonary Disease2006158
22Mortality in COPD: Causes, Risk Factors, and PreventionCOPD: Journal of Chronic Obstructive Pulmonary Disease2010158
23The MCID of the Transition Dyspnea Index is a Total Score of One UnitCOPD: Journal of Chronic Obstructive Pulmonary Disease2005157
24Chronic Obstructive Pulmonary Disease and SocioEconomic Status: a Systematic ReviewCOPD: Journal of Chronic Obstructive Pulmonary Disease2012156
25Effect of Fluticasone Propionate/Salmeterol (250/50) on COPD Exacerbations and Impact on Patient OutcomesCOPD: Journal of Chronic Obstructive Pulmonary Disease2009154
26Clinical Trial Design Considerations in Assessing Long‐Term Functional Impacts of Tiotropium in COPD: The Uplift TrialCOPD: Journal of Chronic Obstructive Pulmonary Disease2004152
27Assessment of the Economic Burden of COPD in the U.S.: A Review and Synthesis of the LiteratureCOPD: Journal of Chronic Obstructive Pulmonary Disease2006150
28Outdoor Air Pollution and COPD-Related Emergency Department Visits, Hospital Admissions, and Mortality: A Meta-AnalysisCOPD: Journal of Chronic Obstructive Pulmonary Disease2017145
29A Combined Pulmonary-Radiology Workshop for Visual Evaluation of COPD: Study Design, Chest CT Findings and Concordance with Quantitative EvaluationCOPD: Journal of Chronic Obstructive Pulmonary Disease2012143
30Assessing the Minimally Clinically Significant Difference: Scientific Considerations, Challenges and SolutionsCOPD: Journal of Chronic Obstructive Pulmonary Disease2005141
31Formoterol and Tiotropium Compared With Tiotropium Alone for Treatment of COPDCOPD: Journal of Chronic Obstructive Pulmonary Disease2009130
32Medical Utilization and Cost in Patients with Overlap Syndrome of Chronic Obstructive Pulmonary Disease and AsthmaCOPD: Journal of Chronic Obstructive Pulmonary Disease2014126
33Efficacy and Safety of a 12-week Treatment with Twice-daily Aclidinium Bromide in COPD Patients (ACCORD COPD I)COPD: Journal of Chronic Obstructive Pulmonary Disease2012125
34The Prevalence of Metabolic Syndrome In Chronic Obstructive Pulmonary Disease: A Systematic ReviewCOPD: Journal of Chronic Obstructive Pulmonary Disease2016125
35The Role of Oxidative Stress in Chronic Obstructive Pulmonary DiseaseCOPD: Journal of Chronic Obstructive Pulmonary Disease2004122
36Activity Monitoring and Energy Expenditure in COPD Patients: A Validation StudyCOPD: Journal of Chronic Obstructive Pulmonary Disease2007122
37Canadian Cohort Obstructive Lung Disease (CanCOLD): Fulfilling the Need for Longitudinal Observational Studies in COPDCOPD: Journal of Chronic Obstructive Pulmonary Disease2014122
38A Comparison of the Assessment of Quality of Life with CAT, CCQ, and SGRQ in COPD Patients Participating in Pulmonary RehabilitationCOPD: Journal of Chronic Obstructive Pulmonary Disease2012120
39Histone Deacetylation: An Important Mechanism in Inflammatory Lung DiseasesCOPD: Journal of Chronic Obstructive Pulmonary Disease2005119
40Phenotypes of Chronic Obstructive Pulmonary DiseaseCOPD: Journal of Chronic Obstructive Pulmonary Disease2007116
41The Multiple Facets of Cigarette Addiction and What They Mean for Encouraging and Helping Smokers to StopCOPD: Journal of Chronic Obstructive Pulmonary Disease2009116
42The Burden of Obstructive Lung Disease Initiative (BOLD): rationale and designCOPD: Journal of Chronic Obstructive Pulmonary Disease2005116
43Health Status and the Spiral of DeclineCOPD: Journal of Chronic Obstructive Pulmonary Disease2009115
44Respiratory and Limb Muscle Dysfunction in COPDCOPD: Journal of Chronic Obstructive Pulmonary Disease2015113
45Red Blood Cell Distribution and Survival in Patients with Chronic Obstructive Pulmonary DiseaseCOPD: Journal of Chronic Obstructive Pulmonary Disease2013112
46Oxidative Stress and Respiratory System: Pharmacological and Clinical Reappraisal of N-AcetylcysteineCOPD: Journal of Chronic Obstructive Pulmonary Disease2014111
47COPD: A Pediatric DiseaseCOPD: Journal of Chronic Obstructive Pulmonary Disease2008110
48Outcome in Adult BronchiectasisCOPD: Journal of Chronic Obstructive Pulmonary Disease2005106
49Trends and Cardiovascular Co-morbidities of COPD Patients in the Veterans Administration Medical System, 1991–1999COPD: Journal of Chronic Obstructive Pulmonary Disease2005103
50Asthma, Chronic Obstructive Pulmonary Disease, and Mortality in the U.S. PopulationCOPD: Journal of Chronic Obstructive Pulmonary Disease2011103