1. Drug shortages 2014 (2014) A Premier healthcare alliance update. https://www.premierinc.com/wps/wcm/connect/bd794cb2-6f31-4ffb-ac85-30af42be7ef0/DrugShortage-Survey-White+Paper.pdf?MOD=AJPERES
2. Drug shortages continue to pose patient safety risks and challenge providers, according to Premier, Inc. survey https://www.premierinc.com/wps/portal/premierinc/public/newsandevents/newsreleases/newsreleases/drug-shortages-continue-to-pose-patient-safety-risks-2-27-14
3. International Society for Pharmaceutical Engineering (ISPE) Report on the ISPE Drug Shortages Survey (2013) http://www.ispe.org/drug-shortages-initiative/about-the-survey
4. European Association of Hospital Pharmacists (AEHP). Medicines shortages. http://www.eahp.eu/practice-and-policy/medicines-shortages
5. US Food and Drug Administration (2012) Center for Drug Evaluation and Research. Office of New Drugs, Drug Shortage Management. Manual of Policies and Procedures http://www.fda.gov/downloads/AboutFDA/CentersOffices/CDER/ManualofPoliciesProcedures/ucm079936.pdf