St John, R C <br/><br/>
Chronic obstructive pulmonary disease: less common causes--an algorithm for the primary care physician.  [electronic resource] 

 -  Journal of general internal medicine  Oct 1993 
 - 564-72 p.  digital 
<br/><br/> Publication Type: Journal Article; Review 
<br/><br/><label>ISSN: </label>0884-8734 
<br/><br/><label>Standard No.: </label>10.1007/BF02599641  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Airway Obstruction--complications<br/>Bronchiectasis--complications<br/>Chronic Disease<br/>Eosinophilic Granuloma--complications<br/>Granuloma, Foreign-Body--complications<br/>Humans<br/>Lung Diseases, Obstructive--etiology<br/>Sarcoidosis, Pulmonary--complications<br/>Smoking--adverse effects<br/>alpha 1-Antitrypsin Deficiency