“This antiallodynic effect of intrathecal reboxetine was blocked by prior administration of yohimbine (&agr;2-adrenoceptor antagonist, 30 &mgr;g) but not by prazosin (&agr;1-adrenoceptor antagonist, 30 &mgr;g) or propranolol (&bgr;-adrenoceptor antagonist, 100 &mgr;g).”