Intravenous nonopioid analgesic drugs in chronic low back pain patients on chronic opioid treatment: A crossover, randomised, double-blinded, placebo-controlled study: Retraction.
The authors of the 2014 article "Intravenous nonopioid analgesic drugs in chronic low back pain patients on chronic opioid treatment: A crossover, randomised, double-blinded, placebo-controlled study" wish to retract the article as Dr Kozek-Langenecker did not consent to its submission and publication.