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Because 10 to 30 percent of older people may be unable to effectively absorb vitamin B 12 naturally occurring in foods, those older than 50 years should meet their RDA mainly by consuming foods fortified with vitamin B 12 or a supplement containing vitamin B 12

Une parasitose, la diphyllobothriose (anciennement bothriocphalose) peut provoquer une carence en B 12

Probiotics are a good choice in remission of inflammatory bowel diseases: A meta analysis and systematic review

Phase IV open-label study of the efficacy and safety of deferasirox after allogeneic stem cell transplantation

Second, female patients undergo 2.3 times more B 12 tests than male patients and exhibit four times more abnormal results