R Morriss, M Sharpe, A L Sharpley, P J Cowen, K Hawton, J Morris et al
Morriss R, Sharpe M, Sharpley A L, Cowen P J, Hawton K, Morris J et al.
Abnormalities of sleep in patients with the chronic fatigue syndrome.
British Medical Journal 1993; 306 :1161
doi:10.1136/bmj.306.6886.1161