Zahn, Sebastian, Stefan Leis, Christoph Schick, Martin Schmelz, and Frank Birklein. No -adrenoreceptor-induced C-fiber activation in healthy human skin. J Appl Physiol 96: 1380–1384, 2004. First published December 12, 2003; 10.1152/japplphysiol.00990.2003.—In healthy volunteers, flare responses induced by norepinephrine (NE) iontophoresis have been observed. However, as NE iontophoresis is a co...
