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People, who have had bariatric surgery procedures such as sleeve gastrectomy, Roux-en-y gastric bypass, duodenal switch, one anastomosis (mini) gastric bypass, single anastomosis duodenal ileal switch (SADIS), have reduced absorption of vitamin B12 and increased risk of developing vitamin B12 deficiency

Using the same vial for multiple draws increases the risk of contamination

Targeting of NAD metabolism in pancreatic cancer cells: potential novel therapy for pancreatic tumors

Vitamin B12 deficiency occurs when a lack of vitamin B12 or folate causes the body to produce abnormally large red blood cells that cannot function properly

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