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, G. Saletu‐Zyhlarz et al.|CNS Drugs|2016Cited by 23