CULLEN, J H <br/><br/>
An evaluation of tracheostomy in pulmonary emphysema.  [electronic resource] 

 -  Annals of internal medicine  Jun 1963 
 - 953-60 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0003-4819 
<br/><br/><label>Standard No.: </label>10.7326/0003-4819-58-6-953  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Pulmonary Emphysema<br/>Tracheostomy