Mild and Moderate-to-Severe COPD in Nonsmokers

Spirometric Reference Values from a Sample of the General U.S. Population

John Hankinson, John Odencrantz, Kathleen B. Fedan · American Journal of Respiratory and Critical Care Medicine · 1999 · 4.3K citations

Health Professions, Population Health Sciences, Epidemiologic Methods +16

Serum TSH, T₄, and Thyroid Antibodies in the United States Population (1988 to 1994): National Health and Nutrition Examination Survey (NHANES III)

Joseph G. Hollowell, N Staehling, W. Dana Flanders et al. · The Journal of Clinical Endocrinology & Metabolism · 2002 · 3.9K citations

Medicine, Endocrinology, Epidemiologic Methods +12

Standardization of Spirometry—1987 Update

American Review of Respiratory Disease · 1987 · 2.3K citations

Health Professions, Internal Medicine, Physiology +11

Geographic Variations in Prevalence and Underdiagnosis of COPD

Victor Sobradillo Penña, Marc Miravitlles, Rafael Gabriel et al. · CHEST Journal · 2000 · 664 citations

Medicine, Clinical Sciences, Internal Medicine +12

Lung function and mortality in the United States: data from the First National Health and Nutrition Examination Survey follow up study

David M. Mannino · Thorax · 2003 · 658 citations · Full text

Health Professions, Health Sciences, Epidemiology +15