References
- WuCLRajaSNTreatment of acute postoperative painLancet20113772215222521704871
- ApfelbaumJLChenCMehtaSSGanTJPostoperative pain experience: results from a national survey suggest postoperative pain continues to be undermanagedAnesth Analg200397253454012873949
- HjermstadMJFayersPMHaugenDFStudies comparing numerical rating scales, verbal rating scales, and visual analogue scales for assessment of pain intensity in adults: a systematic literature reviewJ Pain Symptom Manage20114161073109321621130
- Wilder-SmithCHSchulerLPostoperative analgesia: pain by choice? The influence of patient attitudes and patient educationPain19925032572621454382
- SilvermanDGO’ConnorTZBrullSJIntegrated assessment of pain scores and rescue morphine use during studies of analgesic efficacyAnesth Analg19937711681708317727
- GordonDBStevensonKKGriffieJMuchkaSRappCFord-RobertsKOpioid equianalgesic calculationsJ Palliat Med19992220921815859817