A prospective multicentre study to evaluate the efficacy and tolerability of osmotic release oral system (OROS) hydromorphone in opioid-naive cancer patients: Results of the Korean South West Oncology Group study
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Background: Osmotic release oral system (OROS) hydromorphone is a potent, long-acting opioid analgesic, effective and safe for controlling cancer pain in patients who have received other strong opioids. To date, few studies have ... ...
