title: FDA regulations provide broader access to unapproved drugs.
authors.affiliation: Center For The Study of Drug Development, Tufts University, Boston, Massachusetts 02111.
authors.forename: S R
authors.initials: SR
authors.lastname: Shulman
authors.forename: D S
authors.initials: DS
authors.lastname: Raiford
mesh_terms: D015507:Drugs, Investigational / Q000627:therapeutic use*; D006801:Humans; D007880:Legislation, Drug / Q000592:standards* / Q000639:trends; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D015507:Drugs, Investigational