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Allocation of Ventilators in an Influenza Pandemic, Report of New York State Task Force on Life and the Law, 2007.

Matt Gouras. "Frist Defends Flu Shots for Congress." Associated Press. October 21, 2004.

Stiglitz, J. & Weiss, A. (1981). Credit Rationing in Markets with Imperfect Information, American Economic Review, vol. 71, pages 393-410.