1. Abboud, F.M., Eckstein, J.W.: Vasodilator action of guanethidine. Circ. Res. 11, 788–796 (1962)
2. Abramson, D.I.: Neural Regulation of Cutaneous Circulation. In: Pharmacology and the Skin. Ed. by W. Montagna, R.B. Stoughton, and E. J. van Scott, Vol. 12, pp. 207–233. New York: Ap-pleton-Century-Crofts 1969
3. Abramson, D.I., Tuck, S., jr., Zayas, A.M., Donatello, T.M., Chu, L.S.W., Mitchell, R.E.: Vascular responses produced by histamine by ion transfer. J. Appl. Physiol. 18, 305–310 (1963)
4. Abstracts 6th Conference on Microcirculation. European Society for Microcirculation. Aalborg: Denmark 1970
5. Adachi, K., Yoshikawa, K., Halprin, K.M., Levine, V.: Prostaglandins and cyclic AMP in epidermis. Br. J. Dermatol. 92, 381–388 (1975)