will bac water freeze sterile does bac water BAC water – BioMaxx Research Bacteriostatic Water - Biopentra
Description
PMID: 38205450 19 Megaloblastic Anemias: Nutritional and Other Causes

Metformin-associated vitamin B12 deficiency (letter)
Administering IV insulin as part of the parenteral nutrition helps regulate glycemic control and prevent hyperglycemia

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So, a single low value may not indicate true deficiency

The nurse will place a band-aid over the injection site and send you on your way