A moral imperative : Leader Frist's report on the HIV/AIDS Codel to Africa : joint hearing before the Subcommittee on Children and Families of the Committee on Health, Education, Labor, and Pensions, United States Senate, and the Subcommittee on African Affairs of the Committee on Foreign Relations, United States Senate, One Hundred Eighth Congress, first session, on a report from Senator Frist relative to the HIV/AIDS CODEL to Africa, October 30, 2003.