TY - GEN AU - Coultas,D B AU - Mapel,D AU - Gagnon,R AU - Lydick,E TI - The health impact of undiagnosed airflow obstruction in a national sample of United States adults SN - 1073-449X PY - 2001///1004 KW - Activities of Daily Living KW - Aged KW - Airway Obstruction KW - complications KW - Cross-Sectional Studies KW - Female KW - Forced Expiratory Volume KW - Health Status KW - Health Surveys KW - Humans KW - Male KW - Middle Aged KW - Smoking KW - Spirometry N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1164/ajrccm.164.3.2004029 ER -