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can i give blood if i have b12 injections for Energy: Benefits and How It Works Vitamin B12 - Energy &
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doi: 10.1007/s11940-016-0410-9 36 RajSRBiaggioniIBlackBKRaliAJordanJTanejaIet al

Heffernan MA, et al

Very rare: less than 1 in 10,000 treated

Providers default to D64.9 or D63.0, losing specificity and risk adjustment value
