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Updated: Jul 31, 2026

Use of the Operant Orofacial Pain Assessment Device (OPAD) to Measure Changes in Nociceptive Behavior
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Effect of demand frequency on lockout period. The Abbott Provider 5500 Patient-Controlled Analgesia machine

A R Milner1, R J Harwood, J Millard

  • 1Department of Anaesthesia, Nottingham City Hospital.

Anaesthesia
|June 1, 1995
PubMed

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