Defining the natural history of MS: the need for complete data and rigorous definitions.
Tremlett
Helen
H
Zhao
Yinshan
Y
Devonshire
Virginia
V
D018450:Disease Progression; D006801:Humans; D009103:Multiple Sclerosis / Q000503:physiopathology*; D020528:Multiple Sclerosis, Chronic Progressive / Q000503:physiopathology*; D020529:Multiple Sclerosis, Relapsing-Remitting / Q000503:physiopathology*