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The endothelial layer, composed of tightly packed cells connected by tight junctions, forms a highly selective physical and biochemical barrier known as the BBB [3]
Prediction of cell penetrating peptides by support vector machines
Its also important in the formation of red blood cells
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B12 is stored quite well by the liver, so sometimes we dont see low levels on bloodwork even in someone who might be experiencing low intracellular levels of B12
Studies were mainly on patients with vitamin B12 deficiency with a subset of patients with pernicious anemia
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