Patent term extension and pharmaceutical innovation [microform] : hearing before the Subcommittee on Investigations and Oversight of the Committee on Science and Technology, U.S. House of Representatives, Ninety-seventh Congress, second session, February 4, 1982.

"No. 155."

Pharmaceutical innovation--promises and problems [microform] : hearing before the Subcommittee on Natural Resources, Agriculture Research, and Environment and the Subcommittee on Investigations and Oversight of the Committee on Science and Technology, U.S. House of Representatives, Ninety-seventh Congress, first session, April 27, 1981.

"No. 145."