https://www.uclh.nhs.uk/our-services/find-service/integrated-medicine/autogenic-training

https://www.uclh.nhs.uk/patients-and-visitors/patient-information-pages/autogenic-training

https://biofeedbackhealth.files.wordpress.com/2016/02/autogenic-therapy-peper-and-williams.pdf

https://www.autogenic-therapy.org.uk/about-autogenic-therapy/#mean