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Old Wed Aug 21, 2013, 06:22 PM
Chirley Chirley is offline
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Join Date: Oct 2007
Location: Logan City Australia
Posts: 1,100
When I have my B12 levels tested the doctor orders a B12 level and an active B12 level. I don't know how the tests differ but I am always below normal or low normal that's why I'm on the injections.
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