Airflow Limitation is Underrecognized in Well-Functioning Older People. - Waterer, Grant W.; Wan, Jim Y.; Kritchevsky, Stephen B.; Wunderink, Richard G.; Satterfield, Suzy; Bauer, Douglas C.; Newman, Anne B.; Taaffe, Dennis R.; Jensen, Robert L.; Crapo, Robert O.; for the Health ABC Study (Journal of the American Geriatrics Society, 2001)