authors Jonathan Singer, MD MS Katz, Patricia P Iribarren, Carlos Omachi, Theodore A Sanchez, Gabriela Yelin, Edward H Cisternas, Miriam G Blanc, Paul D
has subject area Activities of Daily Living Adult Demography Disability Evaluation Disabled Persons Disease Progression Female Humans Logistic Models Lung Male Middle Aged Muscle Strength Prognosis Prospective Studies Pulmonary Disease, Chronic Obstructive Respiratory Function Tests Risk Factors Severity of Illness Index Socioeconomic Factors United States