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You may be surprised to learn you have a condition that can cause serious medical problems
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
Ectopic production of hCG in Ugandan research subjects with hepatocellular carcinoma [PMID: 4352018] Laboratory literature summary: Ectopic production of hCG in Ugandan research subjects with hepatocellular carcinoma
As people grow older, B12 doesn't get absorbed as easily
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