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The experiment investigated the potential cytotoxicity of these factors using in vitro keratinocyte and fibroblast cell assays
Common deficiencies in inflammatory bowel diseases include calcium, B12, vitamin D, folate, and iron
Weakness: A general weakness or lightheadedness can also indicate Vitamin B12 deficiency
Pinch the skin to create a fold, insert the needle, inject slowly, wait 5-10 seconds before withdrawing
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