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- A blood test to measure the blood levels of certain substances released by the liver. A high or low level of certain substances can be a sign of liver disease.
National Cancer Institute - Cite This Source - This Definition
- beta-2-microglobulin, blood chemistry study, CA 19-9 assay, discharge, Dysfunction, kidney function test, ovulation, oxidative stress, oxygen saturation test, prostate-specific antigen test, PSA bounce, renal function test, serum tumor marker test, venous sampling