1. Atack, C. V., Magnusson, T.: Individual elution of noradrenaline (together with adrenaline), dopamine, 5-HT and histamine from a single, strong cation exchange column, by means of mineral acid-organic solvent mixtures. J. Pharm. Pharmacol. 22, 625?627 (1970)
2. Axelrod, J.: Methylation reactions in the formation and metabolism of catecholamines and other biogenic amines. Pharmacol. Rev. 18, 95?113 (1966)
3. Blaschko, H.: The specific action of l-dopa decarboxylase. J. Physiol. (Lond.) 96, 50P-51P (1939)
4. Bridgers, W. F., Kaufman, S.: The enzymatic conversion of epinine to epinephrine. J. biol. Chem. 237, 526?528 (1962)
5. Butterworth, K. R., Mann, M.: The adrenaline and noradrenaline content of the adrenal gland of the following depletion by acetylcholine. Brit. J. Pharmacol. 12, 415?421 (1957)