title: A device for unobtrusive surveillance of home relaxation practice.
mesh_terms: D001008:Anxiety Disorders / Q000628:therapy; D006801:Humans; D006973:Hypertension / Q000628:therapy; D010349:Patient Compliance; D011214:Practice, Psychological; D012064:Relaxation Therapy; D013637:Tape Recording; D014342:Truth Disclosure