1. Imagery and health intervention;Achterberg;Top. clin. Nurs.,1982
2. Systematic relaxation to reduce preoperative stress;Aiken;Can. Nurse,1972
3. The role of endorphins in stress: evidence and speculations;Amir;Neurosci. Biobehav. Rev.,1979
4. Pain relief during delivery by transcutaneous electrical nerve stimulation;Augustinsson;Pain,1977
5. Pain management: a pilot project;Bagley;Canc. Nurs.,1982