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VitaminB12.png(346 × 363 pixels, file size: 11 KB, MIME type: image/png)
Description The structure of Vitamin B12
Date 2005-10-16 (first version); 2007-01-30 (last version)
(Original text : November 04, 2005 (UTC))
Source Originally from en.wikipedia; description page is/was here.
(Original text : selfmade)
Author Original uploader was BorisTM at en.wikipedia.
( Reusing this file)

Released into the public domain (by the author).
(Original text : Public domain)


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