1. Opioid analgesic therapy;Inturrisi,1993
2. Opioids;Enck,1994
3. Supportive care and the quality of life of the cancer patient: Section 1: management of cancer pain;Foley,1993
4. Clinical note: local toxicity with subcutaneous methadone: experience of two centers;Bruera;Pain,1991
5. Decreased local toxicity with subcutaneous diamorphine (heroin): a preliminary report;Bruera;Pain,1990