intrinsic factor test after b12 injection Vitamin Deficiency Pernicious anaemia (an autoimmune disorder
Pernicious anaemia (an autoimmune disorder which results in reduced production of intrinsic factor) is the most common cause of severe vitamin B12 deficiency in the UK. Autoantibodies to intrinsic factor can jeopardize pernicious anemia diagnosis: a case report PMC Intrinsic factor Wikipedia How do intrinsic factor antibodies cause falsely elevated vitamin B12 levels? Vitamin B12 Deficiency: Recognition and Management AFP
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