Coultas, D B <br/><br/>
The health impact of undiagnosed airflow obstruction in a national sample of United States adults.  [electronic resource] 

 -  American journal of respiratory and critical care medicine  Aug 2001 
 - 372-7 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1073-449X 
<br/><br/><label>Standard No.: </label>10.1164/ajrccm.164.3.2004029  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Activities of Daily Living<br/>Aged<br/>Airway Obstruction--complications<br/>Cross-Sectional Studies<br/>Female<br/>Forced Expiratory Volume<br/>Health Status<br/>Health Surveys<br/>Humans<br/>Male<br/>Middle Aged<br/>Smoking<br/>Spirometry