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DP Lipkin , AJ Scriven , T Crake , PA Poole-Wilson (1986). Six minute walking test for assessing exercise capacity in chronic heart failure. British Medical Journal (Clinical Research Edition) 292, 653.
P McCrone , M Sharpe , T Chalder , M Knapp , AL Johnson , KA Goldsmith , PD White (2012). Adaptive pacing, cognitive behaviour therapy, graded exercise, and specialist medical care for chronic fatigue syndrome: a cost-effectiveness analysis. PLoS One 2012, 7, e408084.
PD White , KA Goldsmith , AL Johnson , L Potts , R Walwyn , JC DeCesare , HL Baber , M Burgess , LV Clark , DL Cox , J Bavinton , BJ Angus , G Murphy , M Murphy , H O'Dowd , D Wilks , P McCrone , T Chalder , M Sharpe (2011). Comparison of adaptive pacing, cognitive behaviour therapy, graded exercise therapy, and specialist medical care for chronic fatigue syndrome (PACE): a randomized controlled trial. Lancet 377, 823–836.
PD White , K Goldsmith , AL Johnson , T Chalder , M Sharpe ; PACE Trial Management Group (2013). Recovery from chronic fatigue syndrome after treatments given in the PACE trial. Psychological Medicine. Published online: 31January2013. doi:10.1017/S0033291713000020.