Junior Member
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Join Date: Jan 2009
Location: Canton GA
Posts: 10
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Junior Member
Join Date: Jan 2009
Location: Canton GA
Posts: 10
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For Mrs. D:
Wow and thanks so much for going to the trouble to dig out that info!
One of my docs was pushing for the IM version and your info gives me more ammunition. I have read that the cerobrospinal fluid is the only truly accurate measurement of B12 in the system, but who wants to go there?
This was a very valuable posting.
Karen
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