The cost of being sick : H1N1 and paid sick days : hearing before the Subcommittee on Children and Families of the Committee on Health, Education, Labor, and Pensions, United States Senate, One Hundred Eleventh Congress, first session, on examining H1N1 and paid sick days, November 10, 2009.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2010.