title: Procurement of plant materials for antitumor screening.
mesh_terms: D000383:Agriculture; D001901:Botany; D003247:Conservation of Natural Resources; D004353:Drug Evaluation, Preclinical; D006077:Government Agencies; D006801:Humans; D007313:Insecta; D019684:Magnoliopsida; D009369:Neoplasms / Q000188:drug therapy*; D010946:Plants, Medicinal; D009626:Terminology as Topic; D014481:United States; D014934:Wood