1. Bernheimer, H., Birkmayer, W., Hornykiewicz, O., Jellinger, K., Seitelberger, F.: Brain dopamine and the syndromes of Parkinson and Huntington. Clinical, morphological and neurochemical correlations. J. neurol. Sci. 20, 415?455 (1973)
2. Goldberg, L. I., Sonneville, P. F., McNay, J. L.: An investigation of the structural requirements for dopamine-like renal vasodilation: Phenylethyl-amines and apomorphine. J. Pharmacol. exp. Ther. 163, 188?197 (1968)
3. Goodall, M. C. C., Alton, H.: Metabolism of 3-hydroxytyramine (dopamine) in human subjects. Biochem. Pharmacol. 17, 905?914 (1968)
4. Hempel, K., Lange, H. W., Kayser, E. F., Röger, L., Hennemann, H., Heidland, A.: Role of 0-methylation in the renal excretion of catecholamines in dogs. Naunyn-Schmiedeberg's Arch. Pharmacol. 277, 373?386 (1973)
5. Hempel, K., Lange, H. W., Lustenberger, N.: Die Pyridoxal-Methode: Ein neues Verfahren zur fluorometrischen Analyse von Aminosäuren und Aminen im Picomol-Maßstab. Instrument u. Forsch. 2, 13?22 (1974)