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Theres no evidence that increased B12 levels are dangerous
She received the B12 injections intramuscular daily for the first seven days
Side Effects
Portability: The compact and portable nature of the pen allows for easy transportation and storage, benefiting researchers who may need to conduct studies in multiple locations
Once mixed correctly, the solution can be measured accurately using a suitable syringe
Available from: Andrs E, Serraj K, Zhu J, Vermorken AJ
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