Sokka, T <br/><br/>
Disparities in rheumatoid arthritis disease activity according to gross domestic product in 25 countries in the QUEST-RA database.  [electronic resource] 

 -  Annals of the rheumatic diseases  Nov 2009 
 - 1666-72 p.  digital 
<br/><br/> Publication Type: Journal Article; Multicenter Study; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1468-2060 
<br/><br/><label>Standard No.: </label>10.1136/ard.2009.109983  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Antirheumatic Agents--therapeutic use<br/>Arthritis, Rheumatoid--diagnosis<br/>Cost of Illness<br/>Epidemiologic Methods<br/>Female<br/>Global Health<br/>Health Status Disparities<br/>Humans<br/>Male<br/>Middle Aged<br/>Socioeconomic Factors