1. BERTLER, A, NATURWISSENSCHAFTEN 22: 521 (1956).
2. Spectrophotofluorometric Assay in the Visible and Ultraviolet
3. Brodie, B.B., Journal of Pharmacology and Experimental Therapeutics 119: 461 (1957).
4. BURGER, M, HELVET PHYSIOL PHARM 14: C13 (1956).
5. CARLSSON, A, KUNGL FYSIOGR SALLSK 26: 8 (1956).