Kumar, Sachin <br/><br/>
Ultrasound assessment of the diaphragm in patients with COPD.  [electronic resource] 

 -  Chest  Oct 2014 
 - e146 p.  digital 
<br/><br/> Publication Type: Letter; Comment 
<br/><br/><label>ISSN: </label>1931-3543 
<br/><br/><label>Standard No.: </label>10.1378/chest.14-1095  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Diaphragm--diagnostic imaging<br/>Female<br/>Humans<br/>Male<br/>Pulmonary Disease, Chronic Obstructive--diagnostic imaging<br/>Ultrasonography--methods