Overestimated disease duration.
Compston
D A
DA
Swingler
R J
RJ
D002423:Cause of Death; D015331:Cohort Studies; D003430:Cross-Sectional Studies; D006801:Humans; D015994:Incidence; D009103:Multiple Sclerosis / Q000401:mortality*; D014852:Wales / Q000453:epidemiology