In the January 2014 issue of Anesthesia & Analgesia, in the article by Likis et al., Nitrous Oxide for the Management of Labor Pain: A Systematic Review, the authors inadvertently omitted a disclaimer. The full disclaimer is:
This project was funded under Contract No. 290-2007-10065-I from the Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services. The authors of this report are responsible for its content. Statements in the report should not be construed as endorsement by the Agency for Healthcare Research and Quality or the U.S. Department of Health and Human Services.
Likis FE, Andrews JC, Collins MR, Lewis RM, Seroogy JJ, Starr SA, et al. Nitrous oxide for the management of labor pain: a systematic review. Anesth Analg. 2014;118:153–67