6) Helicobacter pylori.
From http://www.yourhealthbase.com/vitamin_B12.html :
From http://www.mothernature.com/Library/Ency/Index.cfm/Id/2924006 :
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6) Helicobacter pylori
6) Helicobacter pylori.
From http://www.yourhealthbase.com/vitamin_B12.html :
From http://www.mothernature.com/Library/Ency/Index.cfm/Id/2924006 :