1. Does overtraining exist? An analysis of overreaching and overtraining research;Halson;Sports Medicine,2004
2. Recovery-Stress Questionnaire for athletes: User manual;Kellmann,2001
3. The effects of acute exhaustive exercise and intensified training on type 1/ type 2 T cell distribution and cytokine production;Lancaster;Exercise Immunology Review,2004
4. Overload, performance incompetence, and regeneration in sport;Lehmann,1999
5. Prevention, diagnosis and treatment of the Overtraining Syndrome. ECSS position statement;Meeusen;European Journal of Sports Science,2006