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Remove the cap to the green needle and insert into the ampoule and then pull the plunger up to draw up all the red fluid (fig
Elevated Serum Vitamin B12: Causes, Workup, and Clinical Meaning A patient comes in after routine blood work, and the report flags a serum vitamin B12 of 1,250 pg/mL
doi:10.5740/jaoacint.18-0045
Vitamin B12 is particularly important because it plays a role in brain function, metabolism, nerve cells, and blood health
Stanley TL, Chen CY, Branch KL, Makimura H, Grinspoon SK
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