Smid, D E <br/><br/>
How to determine an impaired health status in COPD: Results from a population-based study.  [electronic resource] 

 -  The Netherlands journal of medicine  May 2017 
 - 151-157 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1872-9061 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Female<br/>Health Status<br/>Humans<br/>Longitudinal Studies<br/>Male<br/>Middle Aged<br/>Netherlands<br/>Pulmonary Disease, Chronic Obstructive--classification<br/>Reference Values<br/>Severity of Illness Index<br/>Spirometry