THE VITAMIN B12 AND FOLATE PATHOLOGY INVESTIGATION
THE INVESTIGATION OF ERRORS IN PATHOLOGY TESTS
FOR VITAMIN B12 AND FOLATE DEFICIENCY
BY MEANS OF MEDICAL EXPERIMENTS
THE SERUM VITAMIN B12 INVESTIGATION
THE SERUM B12 EXPERIMENT - B
Summary
Findings
Method
Observations
Results - Notes
Results - Assay Quality
Conclusions

My investigation found the following very serious pathology errors:

  • significant differences in results reported by four laboratories
  • a very significant error in one result reported by one laboratory

The errors were so significant that they have the potential to very seriously affect interpretation of the vitamin B12 status, leading to misdiagnosis.

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