Henry, R., Raybould, T., Romond, K., Kouzoukas, D., & Challman, S. (2018). Clonidine as a preoperative sedative. Special Care in Dentistry : Official Publication of the American Association of Hospital Dentists, the Academy of Dentistry for the Handicapped, and the American Society for Geriatric Dentistry. https://doi.org/10.1111/scd.12269 (Original work published 2018)