1. Anschütz, F. undE. Burkert, Z. Kreislaufforschg.43, 335 (1954).
2. Bader, H., Hb. Physiology, Sect. 2; Circulation, Vol. II, 865 (Washington 1963).
3. Bjørnsson, J., Arteriosclerosis (Copenhagen 1941).
4. Bjurule, P., Amer. Heart J.68, 41 (1964).
5. Bjurulf, P., Acta med. scand., Suppl. 349 (1959).