Patient-controlled analgesia--an anaesthetist's view.
The perception of pain is highly subjective, being influenced by physical, emotional and cultural factors. The inadequate management of postoperative pain has been widely documented over the last 40 years.
Porter
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D016058:Analgesia, Patient-Controlled / Q000379:methods / Q000592:standards*; D000776:Anesthesiology; D006801:Humans