authors Vaz Fragoso, Carlos A McAvay, Gail Thomas M. Gill, MD Concato, John Quanjer, Philip H Van Ness, Peter H
has subject area Adult African Americans Aged Aged, 80 and over Female Humans Lung Diseases Male Mexican Americans Middle Aged Nutrition Surveys Odds Ratio Pulmonary Disease, Chronic Obstructive Respiratory Insufficiency Spirometry White People
