Meaning of VITAMIN B12

WordNet Dictionary
	Definition:		[n]  a B vitamin that is used to treat pernicious anemia
	Websites:
	Synonyms:		antipernicious anemia factor, cobalamin, cyanocobalamin
	See Also:		B, B complex, B vitamin, B-complex vitamin, vitamin B, vitamin B complex
Biology Dictionary
	Definition:		This ring-shaped, cobalt-containing vitamin is a crucial part of the entry of amino acids and fatty acids into the Krebs cycle. It is the only biomolecule known to have a carbon-metal bond.