Replication of an empirical approach to delineate the heterogeneity of chronic unexplained fatigue
Population Health Metrics (2009) - Comments
pubmed: 19804639  doi: 10.1186/1478-7954-7-17  issn: 1478-7954 

Eric Aslakson, Uté Vollmer-Conna, William C Reeves, Peter D White