van der Heijde, D M <br/><br/>
Validity of single variables and composite indices for measuring disease activity in rheumatoid arthritis.  [electronic resource] 

 -  Annals of the rheumatic diseases  Feb 1992 
 - 177-81 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0003-4967 
<br/><br/><label>Standard No.: </label>10.1136/ard.51.2.177  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arthritis, Rheumatoid--diagnostic imaging<br/>Female<br/>Follow-Up Studies<br/>Foot--diagnostic imaging<br/>Hand--diagnostic imaging<br/>Humans<br/>Male<br/>Middle Aged<br/>Physical Examination--methods<br/>Radiography<br/>Severity of Illness Index