Penner I-K, McDougall F, Brown TM, Slota C, Doward L, Julian L, Belachew S, Miller D. Exploring the impact of fatigue in progressive multiple sclerosis: a mixed-methods analysis. Mult Scler Relat Disord. 2020 Aug;43:102207. doi: 10.1016/j.msard.2020.102207
McKenna SP, Doward LC, Davey KM. The development and psychometric properties of the MSQOL: a migraine-specific quality-of-life instrument. Clin Drug Invest. 1998;15(5):413-23.