Letter: Yoga and bio-feedback in hypertension.
D005246:Feedback; D005712:Galvanic Skin Response; D006801:Humans; D006973:Hypertension / Q000503:physiopathology / Q000628:therapy*; D012867:Skin / Q000503:physiopathology; D013545:Sweat Glands / Q000503:physiopathology; D013564:Sympathetic Nervous System / Q000503:physiopathology; D015013:Yoga