Thomas J: Opioid-induced bowel dysfunction. J Pain Symptom Manage. 2008 Jan;35(1):103-13. Epub 2007 Nov 5. PMID17981003
Rotshteyn Y, Boyd TA, Yuan CS: Methylnaltrexone bromide: research update of pharmacokinetics following parenteral administration. Expert Opin Drug Metab Toxicol. 2011 Feb;7(2):227-35. doi: 10.1517/17425255.2011.549824. Epub 2011 Jan 11. PMID21222554
Chandrasekaran A, Tong Z, Li H, Erve JC, DeMaio W, Goljer I, McConnell O, Rotshteyn Y, Hultin T, Talaat R, Scatina J: Metabolism of intravenous methylnaltrexone in mice, rats, dogs, and humans. Drug Metab Dispos. 2010 Apr;38(4):606-16. doi: 10.1124/dmd.109.031179. Epub 2010 Jan 6. PMID20053817
Bader S, Jaroslawski K, Blum HE, Becker G: Opioid-induced constipation in advanced illness: safety and efficacy of methylnaltrexone bromide. Clin Med Insights Oncol. 2011;5:201-11. doi: 10.4137/CMO. S4867. Epub 2011 Jul 14. PMID21836816