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In that era, few doctors checked B12 levels
Additionally, many dietary supplements offer multivitamins with high levels of B12
two exceptions to this are in , where in the year 2000 oral vitamin B Canada and Sweden 12 accounted for 73% of the total vitamin B 12 prescribed
[I hope they get it right next time.] haemolysed means that the sample is unusable - lab problem, not yours - and blood needs to be taken again
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