Reduced complexity of activity patterns in patients with chronic fatigue syndrome: a case control study
BioPsychoSocial Medicine (2009) - Comment
pubmed: 19490619  doi: 10.1186/1751-0759-3-7  issn: 1751-0759 

Christopher Burton, Hans Knoop, Nikola Popovic, Michael Sharpe, Gijs Bleijenberg