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1Medical and Psychiatric Clinics and Cardiac Research Laboratory of the Massachusetts General Hospital
2Departments of Medicine and Diseases of the Nervous System, Harvard Medical School
3Fatigue Laboratory, Harvard Graduate School of Business Administration
1
The work described in this paper was done under a contract recommended by the Committee on Medical Research, between the Office of Scientific Research and Development and the Massachusetts General Hospital. Responsible Investigators: Paul D. White and Stanley Cobb.