Dr. Myra A. Preston "METHOD OF DIAGNOSING AND TREATING CHRONIC FATIQUE SYNDROME" United States Patent No. 5,267,570 Issued December 1993.
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Dissertation: CFIDS was also the focus of Dr. Preston's Ph.D. dissertation:
"THE EMERGENCE OF A DISEASE: SEARCHING FOR A DIAGNOSTIC MARKER AND TRAINING FOR CHRONIC FATIGUE IMMUNE DYSFUNCTION SYNDROME."