Updated: May 12, 2026

Use of the Operant Orofacial Pain Assessment Device (OPAD) to Measure Changes in Nociceptive Behavior
Published on: June 10, 2013
E J Hembrecht1, J Nieuwenhuizen, I H A Aartman
1Department of Paediatric Dentistry and Behavioral Sciences, Academic Centre for Dentistry Amsterdam (ACTA), Gustav Mahlerlaan 3004, 1081, LA, Amsterdam, The Netherlands, e.hembrecht@acta.nl.
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