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Description
This was a technology that has been out for about 20, 30 years now, but there are no good medications in the world

B12 anemia can also lead to gastrointestinal issues like nausea and increased heart rate
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10.1142/S0192415X22500756 106 ZhouY.HuZ.YeF.GuoT.LuoY.ZhouW.et al (2021)
