Wallis, A, Jackson, M, Ball, Michelle, Lewis, DP and Bruck, Dorothy (2017) Sleep, cognitive and mood symptoms in myalgic encephalomyelitis/ chronic fatigue syndrome: Examining the role of the gut-brain axis. In: The Handbook of Stress and Health: A Guide to Research and Practice. Cooper, CL and Quick, JC, eds. John Wiley & Sons, Chichester, West Sussex, UK, pp. 501-522.