Deborah S.; Candace B. Levy. The Facts on File encyclopedia of health and medicine. New York: Facts on File. 2007. ISBN 978-0-8160-6063-4. Patient controlled
Citing: Jonas: Mosby's Dictionary of Complementary and Alternative Medicine. 2005, Elsevier. FDA Center for Drug Evaluation and Research Data Standards
Epidural Steroid Injections: Non-surgical Treatment of Spine Pain, eMedicine: Physical Medicine and Rehabilitation (PM&R), August 2005. Also available online
[2017-07-03]. (原始内容存档于2016-03-05). Toothpaste overdose. National Library of Medicine. National Institutes of Health. [2014-02-07]. (原始内容存档于2014-02-03).