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Downstream tissue effects persist substantially longer
Vitamin B12 is a crucial part of this process
Remove air bubbles by tapping the syringe and gently pushing the plunger until a small droplet appears at the needle tip
The Cerovecki et al
Originally, the Schilling test was used for this purpose, but it is no longer used in view of the safety factors related to the use of radioactive B12 ( 57 Cocyanocobalamin) (Sobczynska-Malefora et al., 2021)
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