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B.R. Krauss, A. Barbar, P.S. Thomas, A.V. Apkarian, Performance on a Decision-Making Task in Sympathetically Mediated Chronic Pain (RSD CRPS I) Patients: Evidence for Cognitive Impairment. 9th World Congress on Pain, August 22-27, 1999, Vienna, Austria
Willoughby PH, Thomas PS, Kamani V, Joy S. Epidural Blood Patch Performed on a 23 Month Old Male: A Case Report. 53rd Post Graduate Assembly, New York, New York, December 1999.
Igor D. Grachev, TS Ramachandran, Thomas, PS, NM Szeverenyi, BF Fredrickson: Association between dorsolateral prefrontal N-acetyl aspartate and depression in chronic back pain: An in vivo evidence for overlapping circuitries in the brain, Submitted for publication in Journal of Neural Transmission, January 18, 2002.
Thomas PS, Apkarian AV, Krauss BR, Szeverenyi NM: Differential effects of blocking chronic RSD pain on frontal and parietal cortical activations: an MRI study. Soc. Neurosci, Abstract. 21 (1995)
Thomas PS, Krauss BR, Apkarian AV, Szeverenyi NM: Sympathetically maintained chronic pain is a hyperfrontal condition. Soc. Neurosci Abst. 23 (1997)