do b12 injections cause anxiety How Quickly Does a Shot Work? Benefits & What to Expect Does Vitamin B12 Help With
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10.1016/j.tem.2017.02.004 109 PoddarS

At present, a bone marrow transplant is the only hope of possible cure for thalassaemia major

If you are deficient, you may need oral iron supplementation
No side effects except fatigue for the first week or so
