1. Opioid analgesic and antagonist;Jaffe,1990
2. Clinical Pharmacology of opiates analgesia;Boas,1985
3. IV infusions of opioids for cancer pain: Clinical review and guidelines for use;Portenoy;Cancer Treat Rep,1986
4. Patterns of narcotic drug use in a cancer pain clinic;Kanner;Ann NY Acad Sci,1981
5. Clinical experience with diamorphine in advanced malignant disease;Twycross;Int J Clinical Pharmacol Ther Toxicol,1974