The prevalence of clinically-relevant comorbid conditions in patients with physician-diagnosed COPD: a cross-sectional study using data from NHANES 1999–2008

Informing Clinical Practice Guideline Development and Implementation: Prevalence of Coexisting Conditions Among Adults with Coronary Heart Disease

(2011) Cynthia M. Boyd et al.   JOURNAL OF THE AMERICAN GERIATRICS SOCIETY

Lessons from the major studies in COPD: problems and pitfalls in translating research evidence into practice

(2010) David MG Halpina   Primary Care Respiratory Journal

Comorbidities, Patient Knowledge, and Disease Management in a National Sample of Patients with COPD

(2009) R. Graham Barr et al.   AMERICAN JOURNAL OF MEDICINE

Frailty and Chronic Kidney Disease: The Third National Health and Nutrition Evaluation Survey

(2009) Emilee R. Wilhelm-Leen et al.   AMERICAN JOURNAL OF MEDICINE

Statins in COPD

(2009) Surinder Janda et al.   CHEST

Against pragmatism: on efficacy, effectiveness and the real world

(2009) David M Kent et al.   Trials

Usefulness of C-Reactive Protein and Interleukin-6 as Predictors of Outcomes in Patients With Chronic Obstructive Pulmonary Disease Receiving Pravastatin

(2008) Tsung-Ming Lee et al.   AMERICAN JOURNAL OF CARDIOLOGY

Prevalence and outcomes of diabetes, hypertension and cardiovascular disease in COPD

(2008) D. M. Mannino et al.   EUROPEAN RESPIRATORY JOURNAL