Ortendahl, M <br/><br/>
Factors influencing length of time taking methotrexate in rheumatoid arthritis.  [electronic resource] 

 -  The Journal of rheumatology  May 2000 
 - 1139-47 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0315-162X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Anti-Inflammatory Agents, Non-Steroidal--therapeutic use<br/>Antirheumatic Agents--therapeutic use<br/>Arthritis, Rheumatoid--drug therapy<br/>Drug Administration Schedule<br/>Drug Therapy, Combination<br/>Female<br/>Humans<br/>Life Tables<br/>Male<br/>Methotrexate--therapeutic use<br/>Middle Aged<br/>Proportional Hazards Models