Hearings Before the Subcommittee on Health and the Environment of the Committee on Energy and Commerce, House of Representatives, One Hundred First Congress, Second Session, April 23, 1990--breast and Cervical Cancer Mortality Prevention--H.R. 4222; April 25, 1990--federally Funded Contraceptive and Infertility Research--H.R. 4169 and H.R. 4583