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doi: 10.1186/1471-230X-14-44

B12 injections deliver this vitamin directly into your muscle tissue, bypassing the digestive system for rapid absorption

Similarly, documenting normal folate levels differentiates B12 deficiency from folate deficiency anemia (D52 codes), preventing code confusion when both macrocytic anemias present similarly

In this interview with Ellen Davis, director of communications, University Historian William B
