1. Patient-Controlled Analgesia,1985
2. Patient-Controlled Analgesia,1990
3. A study of pain management: patient controlled analgesia versus intramuscular analgesia;Jackson;J Intraven Nurs,1989
4. Acute Pain Management: Operative or Medical Procedures and Trauma. Clinical Practice Guideline;Carr,1992
5. Meta-analysis in clinical research;L'Abbe;Ann Intern Med,1987