SPECT imaging of the brain: comparison of findings in patients with chronic fatigue syndrome, AIDS dementia complex, and major unipolar depression. - Schwartz,R.B.; Komaroff,A.L.; Garada,B.M.; Gleit,M.; Doolittle,T.H.; Bates,D.W.; Vasile,R.G.; Holman,B.L. (AJR, 1994)