Pain measures and cut-offs - 'no worse than mild pain' as a simple, universal outcome.
Pain Research and Nuffield Division of Anaesthetics, University of Oxford, The Churchill, Oxford, UK. andrew.moore@ndcn.ox.ac.uk
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D000698:Analgesia / Q000379:methods*; D006801:Humans; D010146:Pain / Q000188:drug therapy*; D010147:Pain Measurement / Q000379:methods*; D017060:Patient Satisfaction; D012720:Severity of Illness Index