1. BRINK, N.G., VITAMIN-B12 - THE IDENTIFICATION OF VITAMIN-B12 AS A CYANO-COBALT COORDINATION COMPLEX, SCIENCE 112: 354 (1950).
2. An Analog of Vitamin B
12
3. COOLEY, G, THE CHEMISTRY OF ANTI-PERNICIOUS ANAEMIA FACTORS .7. SOME TRANSFORMATIONS OF VITAMIN-B12B, JOURNAL OF PHARMACY AND PHARMACOLOGY 3: 271 (1951).
4. FRICKE, H.H., COMPARISON OF VITAMIN-B12 AND VITAMIN-B12B, FEDERATION PROCEEDINGS 9: 173 (1950).
5. Frost, D. V., Abstracts. 118th Meeting. American Chemical Society: C70 (1950).