Verstappen, Suzanne M M <br/><br/>
Methodological issues when measuring paid productivity loss in patients with arthritis using biologic therapies: an overview of the literature.  [electronic resource] 

 -  Rheumatology (Oxford, England)  Feb 2012 
 - 216-29 p.  digital 
<br/><br/> Publication Type: Journal Article; Review 
<br/><br/><label>ISSN: </label>1462-0332 
<br/><br/><label>Standard No.: </label>10.1093/rheumatology/ker363  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arthritis--economics<br/>Biological Products--therapeutic use<br/>Efficiency<br/>Employment--economics<br/>Epidemiologic Research Design<br/>Humans