What is the laboratory test used to evaluate vitamin A levels?
The laboratory test used to evaluate vitamin A levels is the measurement of serum r...
What is the laboratory test used to evaluate vitamin A levels?
The laboratory test used to evaluate vitamin A levels is the measurement of serum retinol. The measurement of serum betacarotene is the laboratory test used to evaluate vitamin A levels. There is no laboratory test that accurately reflects tissue levels of vitamin A or its rate of utilization.
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