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CONTEXT The use of unidimensional pain scales such as the Numerical Rating Scale (NRS), Verbal Rating Scale (VRS), or Visual Analogue Scale (VAS) is recommended for assessment of pain intensity (PI).(More)
PURPOSE Use of oxycodone for chronic cancer pain has been hampered by its short elimination half-life. This study was designed to compare the efficacy and safety of controlled-release formulations of(More)