https://www.webmd.com/mental-health/mental-health-hypnotherapy
https://hypnosis.edu/help/
https://www.psychologytoday.com/us/therapy-types/hypnotherapy
https://www.abc.net.au/news/health/2015-12-17/medical-hypnotherapy-evidence/7028738
https://www.livescience.com/35827-clinical-hypnosis-medial-problems.html