title: Foundations of clinical cancer research: perspective for the 21st century.
authors.affiliation: Arizona Cancer Center, Tucson Arizona 85724, USA.
authors.forename: E M
authors.initials: EM
authors.lastname: Hersh
mesh_terms: D000971:Antineoplastic Combined Chemotherapy Protocols / Q000627:therapeutic use; D049673:History, 20th Century; D006801:Humans; D007938:Leukemia / Q000188:drug therapy; D008495:Medical Oncology / Q000266:history / Q000639:trends*; D009369:Neoplasms / Q000628:therapy*; D012106:Research / Q000639:trends*; D014481:United States