[On some pharmaceutical preparations containing vitamin B 12 and a new derivative of vitamin C].
D001205:Ascorbic Acid / Q000737:chemistry*; D045728:Corrinoids; D006397:Hematinics; D014805:Vitamin B 12 / Q000737:chemistry*; D014803:Vitamin B Complex; D014815:Vitamins
D045728:Corrinoids; D006397:Hematinics; D014815:Vitamins; D014803:Vitamin B Complex; D014805:Vitamin B 12; D001205:Ascorbic Acid
VITAMIN B 12/chemistry; VITAMIN C/chemistry