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- [23] BIOCHEMICAL ROLE OF VITAMIN-B12 COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY, 1969, 28 (01): : 1 - &
- [25] THE USE OF THE SERUM VITAMIN-B12 ASSAY IN THE DIAGNOSIS OF VITAMIN-B12 DEFICIENCY ACTA MEDICA SCANDINAVICA, 1957, 159 (04): : 307 - 321