1. Anton, A. H., and D. F. Sayre: A study of the factors affecting the aluminum oxyde-trihydroxyindole procedure for the analysis of catecholamines. J. Pharmacol. Exp. Ther. 138, 360–375 (1962).
2. Anton, A. H., and D. F. Sayre: The distribution of dopamine and dopa in various animals and a method for their determination in diverse biological material. J. Pharmacol. Exp. Ther. 145, 326–336 (1964).
3. Averill, R. L. W., D. F. Salaman, and W. C. Worthington, Jr.: Thyreotropin releasing factor in hypophyseal portal blood. Nature (London) 211, 144–145 (1966).
4. Barry, J., and J. Leonardelli: Etude comparée des neurones et des fibres monoaminergiques de la région tubéro-infundibulaire chez le cobaye mâle normal ou castré. C. R. Acad. Sci. (Paris), série D, 266, 15–17 (1968).
5. Björklund, A., and B. Falck: Pituitary monoamines of the cat with special reference to the presence of an unidentified monoaminelike substance in the adenohypophysis. Z. Zellf. 93, 254–264 (1968).