The Faces Symbol Test, a newly developed screening instrument to assess cognitive decline related to multiple sclerosis: first results of the Berlin Multi-Centre FST Validation StudyP. Scherer, Joachim Kügler, I. Ringel et al.|Multiple Sclerosis Journal|2007Cited by 25
Sleep and Quality of Life Under Prolonged Release Oxycodone/Naloxone for Severe Restless Legs Syndrome: An Analysis of Secondary Efficacy Variables of a Double-Blind, Randomized, Placebo-Controlled Study with an Open-Label ExtensionWolfgang H. Oertel, V. Schumann, Yngve Hallström et al.|CNS Drugs|2016Cited by 23