The effect of sedation on the accuracy and treatment outcomes for diagnostic injections: a randomized, controlled, crossover study.
Cohen SP, Hameed H, Kurihara C, Pasquina PF, Patel AM, Babade M, Griffith SR, Erdek ME, Jamison DE, Hurley RW. The effect of sedation on the accuracy and treatment outcomes for diagnostic injections: a randomized, controlled, crossover study. Pain Med. 2014 Apr; 15(4):588-602.