Manchikanti Laxmaiah, Benyamin Ramsin M, Hansen Hans, Swicegood John R, Hirsch Joshua A
Pain Management Center of Paducah, Paducah, KY, and University of Louisville, Louisville, KY; Millennium Pain Center, Bloomington, IL, and University of Illinois, Urbana-Champaign, IL; Pain Relief Centers, Conover, NC; Advanced Interventional Pain and Dia.
Pain Physician. 2014 Sep-Oct;17(5):E565-73.