Sentís, M <br/><br/>
[Chronic obstructive lung disease].  [electronic resource] 

 -  Atencion primaria  Oct 1989 
 - 593-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0212-6567 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Lung Diseases, Obstructive--diagnostic imaging<br/>Radiography