Download references

Open Access Highly Accessed Open Badges

Identification of ambiguities in the 1994 chronic fatigue syndrome research case definition and recommendations for resolution

William C Reeves*, Andrew Lloyd, Suzanne D Vernon, Nancy Klimas, Leonard A Jason, Gijs Bleijenberg, Birgitta Evengard, Peter D White, Rosane Nisenbaum, Elizabeth R Unger and the International Chronic Fatigue Syndrome Study Group

BMC Health Services Research 2003, 3:25  doi:10.1186/1472-6963-3-25