Drug shortages: FDA's ability to respond should be strengthened. United States Government Accountability Office Report to Congressional Requesters. November 2011. http://www.gao.gov/assets/590/587000.pdf.
2.
ASHP Expert Panel on Drug Product Shortages; Fox ER, Birt A, James KB, Kokko H, Salverson S, Soflin DL. ASHP guidelines on managing drug product shortages in hospitals and health systems. Am J Health Syst Pharm.2009; 66(15): 1399–1406.
3.
MacDonaldE.A.FoxE.R.TylerL.S.Drug shortages: process for evaluating impact on patient safety. Hosp Pharm.2011; 46(12): 943–951.