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Proper contaminant screening should cover at minimum heavy metals, microbial counts, endotoxins, and residual solvents
9:238 Hector M , Burton JR : What are the psychiatric manifestations of vitamin B12 deficiency
Intrinsic factor deficiency is often the cause of vitamin B12 deficiency
Reconstitution protocols vary by study, but typically involve bacteriostatic water or sterile saline
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