Halpern, M T <br/><br/>
Economic analysis of the Confronting COPD survey: methodology.  [electronic resource] 

 -  Respiratory medicine  Mar 2003 
 - S15-22 p.  digital 
<br/><br/> Publication Type: Journal Article; Multicenter Study 
<br/><br/><label>ISSN: </label>0954-6111 
<br/><br/><label>Standard No.: </label>10.1016/s0954-6111(03)80021-5  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Absenteeism<br/>Cost of Illness<br/>Cross-Sectional Studies<br/>Europe<br/>Female<br/>Health Care Costs<br/>Health Resources--economics<br/>Humans<br/>Male<br/>Middle Aged<br/>North America<br/>Pulmonary Disease, Chronic Obstructive--economics<br/>Surveys and Questionnaires