1. Opioids in pain management;McQuay;Lancet,1999
2. Respiratory depression following morphine and morphine-6-glucuronide in normal subjects;Thompson;Br. J. Clin. Pharmacol.,1995
3. Morphine worsens the severity and prevents pancreatic regeneration in mouse models of acute pancreatitis;Barlass;Gut,2018
4. Abuse potential and pharmacological comparison of tramadol and morphine;Preston;Drug Alcohol Depend.,1991
5. Role of different brain structures in the expression of the physical morphine withdrawal syndrome;Maldonado;J. Pharmacol. Exp. Ther.,1992