Lower cortical Alpha4Beta2 nicotinic acetylcholine receptor binding and its relationship to cognitive dysfunction in early stage multiple sclerosis: A 2-[18F]F-A-85380 PET study. - Philipp M. Meyer; Katharina Kurtz; Eva Thomae; Georg A. Becker; Andreas Schildan; Donald Lobsien; Swen Hesse; Florian Then Bergh; Osama Sabri (NeuroImage, 2010)