1. Brundin, T.: Studies on the preaortal paraganglia of newborn rabbits. Acta physiol. scand. 70, Suppl. 290 (1966).
2. Corrodi, H., Jonsson, G.: The formaldehyde fluorescence method for the histochemical demonstration of biogenic monoamines. A review of the methodology. J. Histochem. Cytochem. 15, 65 (1967).
3. Coupland, R. E., Hopwood, D.: The mechanism. of the differential staining reaction for adrenaline- and noradrenaline-storing granules in tissues fixed in glutaraldehyde. J. Anat. (Lond.) 100, 227 (1966).
4. Elbadawi, A., Hayashi, K. D., Schenk, E. A.: Histochemical demonstration of norepinephrine in postmortem tissues. Histochemie 21, 21 (1970).
5. Falck, B., Owman, Ch.: A detailed methodological description of the fluorescence method for the cellular demonstration of biogenic monoamines. Acta Univ. Lund. II: 7, 1–19 (1965).