Minor cognitive disturbances in X-linked spinal and bulbar muscular atrophy, Kennedy's disease. - Kasper, Elisabeth; Wegrzyn, Martin; Marx, Ivo; Korp, Christin; Kress, Wolfram; Benecke, Reiner; Teipel, Stefan J.; Prudlo, Johannes (Amyotrophic Lateral Sclerosis & Frontotemporal Degeneration, 2014)