Authors: S S Mirra; A Heyman; D McKeel; S M Sumi; B J Crain; L M Brownlee; F S Vogel; J P Hughes; G van Belle; L Berg Journal: Neurology Date: 1991-04 Impact factor: 9.910
Authors: G C Román; T K Tatemichi; T Erkinjuntti; J L Cummings; J C Masdeu; J H Garcia; L Amaducci; J M Orgogozo; A Brun; A Hofman Journal: Neurology Date: 1993-02 Impact factor: 9.910