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3379 Biochemistry

A 65-year-old man visits his primary physician because of tingling in his hands and feet, and a sense that he is forgetting things more than usual. A CBC indicates a mild anemia. The patient states that his diet has not changed, other than eating more red meat than before. This patient can be best treated by which one of the following?

AOral administration of vitamin B12
BOral administration of folic acid
COral administration of methionine
DInjections of B12
Biochemistry
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