Success rates for new drugs entering clinical testing in the United States.
DiMasi
J A
JA
Center for the Study of Drug Development, Tufts University, Boston, MA 02111, USA.
D002626:Chemistry, Pharmaceutical / Q000191:economics / Q000706:statistics & numerical data / Q000639:trends; D002986:Clinical Trials as Topic; D017277:Drug Approval / Q000706:statistics & numerical data*; D006801:Humans; D004364:Pharmaceutical Preparations / Q000191:economics; D014481:United States
D004364:Pharmaceutical Preparations