title: New drug development in the United States from 1963 to 1999.
authors.affiliation: Tufts Center for the Study of Drug Development, Tufts University., Boston, MA 02111, USA.
authors.forename: J A
authors.initials: JA
authors.lastname: Dimasi
mesh_terms: D017277:Drug Approval / Q000706:statistics & numerical data*; D004345:Drug Industry / Q000191:economics / Q000639:trends*; D015507:Drugs, Investigational; D006801:Humans; D013678:Technology, Pharmaceutical / Q000639:trends*; D014481:United States
chemical_list: D015507:Drugs, Investigational