... population. Health and Quality of Life Out-comes 2003, 1:48.2. Nisenbaum R, Jones J, Unger E, Reyes M and Reeves W: A popula-tion-based study of the clinical course of chronic fatigue syn-drome. Health ... Health and Quality of Life Outcomes 2003, 1 http://www.hqlo.com/content/1/1/52Page 2 of 3(page number not for citation purposes)proportion of the patients (25%) report ... theCFS classification over two consecutive follow-ups. Health and Quality of Life Outcomes 2003, 1 http://www.hqlo.com/content/1/1/52Page 3 of 3(page number not for citation purposes)Again, several...