. . . "B12"@de . "Vitamin B12 is a water-soluble vitamin with a key role in the normal functioning of the brain and nervous system, and for the formation of blood. B12 or B-12 may also refer to:"@en . . "B12"@nl . . . "B12 (\u0437\u043D\u0430\u0447\u0435\u043D\u0438\u044F)"@ru . . . "B12 (desambigua\u00E7\u00E3o)"@pt . . . . . "1394"^^ . . . . "B12 (disambiguation)"@en . "B12"@zh . . . . "B12"@it . . . . "B12"@in . . "B12"@fr . . . . . . . . . . . "356469"^^ . . "1049751430"^^ . . . "Vitamin B12 is a water-soluble vitamin with a key role in the normal functioning of the brain and nervous system, and for the formation of blood. B12 or B-12 may also refer to:"@en .