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Research report
Orally administered ketamine and postoperative opioid use in colorectal surgery: a retrospective cohort study
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Footnotes
X @ESchwenkMD
Contributors ERS was solely responsible for the study design, IRB and data collection. ESS contributed substantially to the data interpretation and manuscript preparation. ERS and AL equally contributed to the database management, statistical analysis, interpretation and manuscript preparation.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed.