Hirst, C <br/><br/>
Change in disability in patients with multiple sclerosis: a 20-year prospective population-based analysis.  [electronic resource] 

 -  Journal of neurology, neurosurgery, and psychiatry  Oct 2008 
 - 1137-43 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1468-330X 
<br/><br/><label>Standard No.: </label>10.1136/jnnp.2007.133785  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Aged<br/>Aged, 80 and over<br/>Cohort Studies<br/>Disability Evaluation<br/>Female<br/>Humans<br/>Male<br/>Middle Aged<br/>Multiple Sclerosis--diagnosis<br/>Population Surveillance--methods<br/>Prospective Studies<br/>Severity of Illness Index