Petty, T L <br/><br/>
Follow-up evaluation of a prevalence study for chronic bronchitis and chronic airway obstruction.  [electronic resource] 

 -  The American review of respiratory disease  Nov 1976 
 - 881-90 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0003-0805 
<br/><br/><label>Standard No.: </label>10.1164/arrd.1976.114.5.881  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Aged<br/>Airway Obstruction--epidemiology<br/>Bronchitis--epidemiology<br/>Bronchospirometry<br/>Chronic Disease<br/>Colorado<br/>Cross-Sectional Studies<br/>Female<br/>Follow-Up Studies<br/>Forced Expiratory Flow Rates<br/>Forced Expiratory Volume<br/>Humans<br/>Male<br/>Middle Aged<br/>Smoking--complications<br/>Vital Capacity