ABSTRAL (fentanyl) sublingual tablets. Galena Biopharma. Accessed November 11, 2014 from http://www.abstral.com/sites/default/files/ABSTRAL-Full-PI.pdf
Medication Guide: ABSTRAL (fentanyl) sublingual tablets. Galena Biopharma. Accessed November 11, 2014 from http://www.abstral.com/sites/default/files/ABSTRAL-Med-Guide.pdf
ACTIQ (fentanyl citrate) oral transmucosal lozenge. Cephalon, Inc. Accessed November 11, 2014 from http://www.actiq.com/pdf/actiq_package_insert_4_5_07.pdf
FENTORA (fentanyl buccal tablet). Cephalon, Inc. Accessed November 11, 2014 from http://www.fentora.com/pdfs/pdf100_prescribing_info.pdf
Onsolis (fentanyl buccal soluble film). Meda Pharmaceuticals Inc. Drugs@FDA. US Food and Drug Administration. Accessed November 11, 2014 from http://www.accessdata.fda.gov/drugsatfda_docs/label/2012/022266s009lbl.pdf
Press Release: U.S. relaunch of ONSOLIS (fentanyl buccal soluble film) is being postponed. BioDelivery Sciences International, Inc. Accessed November 11, 2014 from http://www.prnewswire.com/news-releases/onsolis-relaunch-postponed-pending-product-modification-142297545.html
Fentanyl. Lexi-Comp ONLINE, 2014 Lexi-Comp, Inc. Accessed November 11, 2014 from http://online.lexi.com.
Fentanyl. DRUGDEX System. 2014 Truven Health Analytics Inc. Accessed November 11, 2014 from http://www.thomsonhc.com.