AUTHOR=Dahan Albert , Henthorn Thomas K. TITLE=Editorial: Ketamine for treatment of acute and chronic pain: The relationship of mechanism and exposure to therapeutic outcome JOURNAL=Frontiers in Pain Research VOLUME=3 YEAR=2022 URL=https://www.frontiersin.org/journals/pain-research/articles/10.3389/fpain.2022.991569 DOI=10.3389/fpain.2022.991569 ISSN=2673-561X