1. Medicare drug spending dashboard. Available from: URL: https://www.cms.gov/Newsroom/MediaReleaseDatabase/Fact-sheets/2015-Fact-sheets-items/2015-12-21.html. Accessed January 5, 2016.
2. Changes in retail prices of prescription dermatologic drugs from 2009 to 2015;Rosenberg;JAMA Dermatol,2016
3. US Senate. Ranking member Cummings and Chairman Sanders investigate staggering price increases for generic drugs. Available from: URL: http://www.sanders.senate.gov/download/face-sheet-on-generic-drug-price-increases. Accessed April 1, 2015.
4. Dermatologic drug formulary: an American Academy of Dermatology white paper;Steger;J Am Acad Dermatol,1996
5. Dr Lebwohl Derm World. Available from: URL: https://www.aad.org/dw/monthly/2015/november/leading-the-charge-on-drug-pricing. Accessed February 1, 2016.