1. Brecht, H.M., Ernst, W., Kreh, K.M.: Plasma Noradrenaline Levels in Regular Haemodialysis Patients. Proc. Europ. Dial. Transpl. Ass.12, 281?291 (1975)
2. Ebstein, R.P., Park, D.H., Freedman, L.S., Levitz, S.M., Ohuchi, T., Goldstein, M.: A Radioimmunoassay of Human Circulatory Dopamine-?-Hydroxylase. Life Sci.13, 679?774 (1973)
3. Goldberger, S., Thompson, A., Guka, A., Kramer, N., Parrish, A.: Autonomic nervous dysfunction in chronic renal failure. Clin. Res.19, 531 (1971)
4. Hennemann, H., Hevendehl, G., Herler, E., Heidland, A.: Toxic Sympathicopathy in Uremia. Proc. Europ. Dial. and Transpl. Ass. 10, Pitman Medical, London, 166?170 (1973)
5. Hennessy, W.J., Siemsen, A.W.: Dysfunction of sudori motoric Glands in Patients with Chronic Renal Failure. Clin. Res.16, 385?391 (1968)