2) Sinclair D: Normal anatomy of sensory nerves and receptors; in The Physiology and Pathophysiology of the Skin, Vol. 2, The Nerves and Blood Vessels (Jarrett A ed), Academic Press, London, 1973, 348-402.
3) 石澤政男: 組織学提要, 第1巻, 金原出版, 東京, 1959, 190-220.
4) Burnstock G: Autonomic neuroeffector junctions: reflex vasodilatation of the skin. J Invest Dermatol 69: 47-57, 1977.