Opioid Analgesics: Morphine and Other Natural Cogeners
Analgesia and Pain Management
Opioid Analgesics: Synthetic and Semisynthetic Opioids
Opioid Receptors: Overview
Drug Control Governance: Regulatory Bodies and Their Impact
Prescription, Nonprescription and Orphan Drugs
You might also read
Articles linked to this work by shared authors, journal, and citation graph.
Updated: Oct 7, 2025

Use of the Operant Orofacial Pain Assessment Device OPAD to Measure Changes in Nociceptive Behavior
Published on: June 10, 2013
Imad M Treish1, Suzan S Hammoudeh2, Sewar S Salmany2
1Department of Pharmacy (I.M.T., S.S.H., S.S.S., A.A., S.J.), King Hussein Cancer Center, Amman, Jordan; Division of Strategic Affairs, King Hussein Cancer Center, Amman, Jordan.
International Narcotics Control Board opioid data may inaccurately benchmark pain management. Adjusting for cancer burden and tramadol use significantly alters country comparisons, highlighting data limitations.
Area of Science:
Background:
Purpose of the Study:
Main Methods:
Main Results:
Conclusions: