Hörnqvist R, Bäck O, Henriksson R
Br J Dermatol. 1984 Nov;111(5):561-6. doi: 10.1111/j.1365-2133.1984.tb06625.x.
The adrenoceptor-mediated responses in human skin (blanching and erythema) were studied by an iontophoretic technique. It is concluded that the receptors in superficial dermal blood vessels belong to the subclasses alpha 1 and beta 2.