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  • Clinical chemistry reagents intended to perform qualitative and/or quantitative analyses on a body fluid sample (typically urine) to determine vanillylmandelic acid, a catecholamine metabolite derived from the hormone epinephrine and/or norepinephrine. Increased levels of urinary vanillylmandelic acid is found in patients with catecholamine-secreting tumors. Determination of vanillylmandelic acid is frequently performed using high-pressure liquid chromatography techniques.
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