Systematic relaxation as a nursing intervention technique with open heart surgery patients.
D006348:Cardiac Surgical Procedures / Q000401:mortality / Q000451:nursing*; D006801:Humans; D008950:MMPI; D008297:Male; D011183:Postoperative Complications; D011300:Preoperative Care; D011618:Psychotic Disorders / Q000209:etiology; D012063:Relaxation; D013312:Stress, Physiological