title: New drug development in the United States from 1963 to 1992.
authors.affiliation: Center for the Study of Drug Development, Tufts University, Boston, MA 02111.
authors.forename: J A
authors.initials: JA
authors.lastname: DiMasi
authors.forename: M A
authors.initials: MA
authors.lastname: Seibring
authors.forename: L
authors.initials: L
authors.lastname: Lasagna
mesh_terms: D015507:Drugs, Investigational; D017387:Investigational New Drug Application; D013997:Time Factors; D014481:United States
chemical_list: D015507:Drugs, Investigational