Dr Willemina Rietsema

Dr Willemina Rietsema

GP/ family physician

Dr. Willemina Rietsema is an Oxfordshire GP with an interest in B12 research. She is currently working on a review of the literature about diagnostic tests for vitamin B12 deficiency. Her aim is to do clinical trials, comparing vitamin B12 to placebo in several conditions.

Title: B12: Work in Progress

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