title: New sources and new antitumor drugs in development.
authors.affiliation: Lombardi Cancer Center, Georgetown University Medical Center, Washington, DC, USA.
authors.forename: R B
authors.initials: RB
authors.lastname: Weiss
mesh_terms: D000970:Antineoplastic Agents / Q000494:pharmacology / Q000627:therapeutic use*; D015507:Drugs, Investigational / Q000494:pharmacology / Q000627:therapeutic use*; D009369:Neoplasms / Q000188:drug therapy*
chemical_list: D000970:Antineoplastic Agents; D015507:Drugs, Investigational