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Icarus 252 , 121 (2015)

7 These pretreatment doses and times were selected based on other previous studies 1 , 7 and preliminary experiments in which the safety after injection was determined, since we used rats as the experimental animals

Here are some general steps for administering a B12 injection: Gather the necessary supplies: You will need a sterile needle and syringe, alcohol wipes, adhesive bandage, cotton balls, and the vial of B12