Ellison, G., & Ellison, S. F. (2007). Strategic entry deterrence and the behavior of pharmaceutical incumbents prior to patent expiration. National Bureau of Economic Research.
Chicago Style (17th ed.) CitationEllison, Glenn, and Sara Fisher Ellison. Strategic Entry Deterrence and the Behavior of Pharmaceutical Incumbents Prior to Patent Expiration. Cambridge, Mass: National Bureau of Economic Research, 2007.
MLA (9th ed.) CitationEllison, Glenn, and Sara Fisher Ellison. Strategic Entry Deterrence and the Behavior of Pharmaceutical Incumbents Prior to Patent Expiration. National Bureau of Economic Research, 2007.
Warning: These citations may not always be 100% accurate.