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Ketamine for psychiatric disorders: Barriers and utilization

Researchers, including Samuel T. Wilkinson, M.D., who wrote a seminal article on off‐label use of ketamine in 2017, reported in a letter to the editor of the American Journal of Psychiatry on a survey of physicians who were involved with ketamine, either by membership in a social media group or ketamine‐related organization. The May 2022 letter describes the results of the survey in an update to current use of ketamine.