(NOTE: Citations as suggested by the respective publishers)
AccessMedicine:
Mark DB, Wong JB. Chapter 3. Decision-Making in Clinical Medicine. In: Longo DL, Fauci AS, Kasper DL, Hauser SL, Jameson JL, Loscalzo J, eds. Harrison's Principles of Internal Medicine. 18th ed. New York: McGraw-Hill; 2012. http://www.accessmedicine.com.ezproxy.fau.edu/content.aspx?aID=9091001. Accessed August 5, 2013
ClinicalKey:
Boezaart AP. Continuous peripheral nerve blocks. In: Brown DL, ed. Atlas of Regional Anesthesia. 3rd ed. Philadelphia, Pa: WB Saunders; 2006. ClinicalKey Web site. Available at http://home.mdconsult.com/das/book/63108090-5/view/1353. Accessed Jul 18, 2013.