Tumor Markers: References

National Institutes of Health. National Cancer Institute. Tumor markers. https://www.cancer.gov/about-cancer/diagnosis-staging/diagnosis/tumor-markers-fact-sheet. December 7, 2011. Accessed September 2015.

Tumor markers. Lab Tests Online. https://labtestsonline.org/understanding/analytes/tumor-markers/. December 12, 2013. Accessed September 2015.