Bile Duct PTHC Exam: References

Percutaneous Transhepatic Cholangiography (PTCA). Harvard Health Publications. Harvard Medical School accessed 03/29/2013 from http://www.health.harvard.edu/diagnostic-tests/percutaneous-transhepatic-cholangiography.htm

Percutaneous transhepatic cholangiogram. (2013). National Library of Medicine. National Institutes of Health. Retrieved 12/22/2014 from http://www.nlm.nih.gov/medlineplus/ency/article/003820.htm.