How to relax and how not to relax: a re-evaluation of the work of Edmund Jacobson--I.
D001676:Biofeedback, Psychology; D004576:Electromyography; D049673:History, 20th Century; D006801:Humans; D012064:Relaxation Therapy / Q000266:history; D013404:Suggestion; D013637:Tape Recording; D014481:United States