Principle components analysis of pain thresholds to thermal, electrical, and mechanical stimuli suggests a predominant common source of variance
pharmazentrum frankfurt/ZAFES, Institute of Clinical Pharmacology, Johann Wolfgang Goethe-University, Theodor Stern Kai 7, D-60590 Frankfurt am Main, Germany
Received 23 July 2007; received in revised form 5 December 2007; accepted 20 December 2007. published online 13 February 2008.
PII: S0304-3959(07)00754-3
doi:10.1016/j.pain.2007.12.015
© 2007 International Association for the Study of Pain. Published by Elsevier Inc. All rights reserved.
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