Adam, A. (2014). Grainger and Allison's diagnostic radiology (Sixth ed.). New York: CHURCHILL LIVINGSTONE.
American College of Radiology & Radiological Society of North America. (2011). Venography. Retrieved from http://www.radiologyinfo.org/en/info.cfm?pg=venography.
Thornton, RH et al (2013). ACR-SIR practice guideline for the performance of diagnostic infusion venography. Retrieved 07/29/2014 from http://www.acr.org/~/media/ACR/Documents/PGTS/guidelines/Venography.pdf