MacDonald,A. & Burrell, S. (2009). Infrequently performed studies in nuclear medicine: Part 2. Journal of Nuclear Medicine Technology, (37 )1 1-13. Retrieved from: http://tech.snmjournals.org/content/37/1/1
Society of Nuclear Medicine Procedure Standards. http://www.snmmi.org/ClinicalPractice/content.aspx?ItemNumber=6414