Langer, D <br/><br/>
Validation of two activity monitors in patients with COPD.  [electronic resource] 

 -  Thorax  Jul 2009 
 - 641-2 p.  digital 
<br/><br/> Publication Type: Letter; Research Support, Non-U.S. Gov't; Validation Study 
<br/><br/><label>ISSN: </label>1468-3296 
<br/><br/><label>Standard No.: </label>10.1136/thx.2008.112102  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Calorimetry, Indirect<br/>Humans<br/>Middle Aged<br/>Monitoring, Ambulatory--instrumentation<br/>Motor Activity<br/>Pulmonary Disease, Chronic Obstructive--rehabilitation<br/>Reproducibility of Results