Quantitative diffusion weighted imaging measures in patients with multiple sclerosis. - Eleonora Tavazzi; Michael G. Dwyer; Bianca Weinstock-Guttman; Jordan Lema; Stefano Bastianello; Roberto Bergamaschi; Vittorio Cosi; Ralph H. B. Benedict; Frederick E. Munschauer III; Robert Zivadinov (NeuroImage, 2007)