title: Implications of tumor cell heterogeneity for in vitro drug sensitivity testing.
mesh_terms: D000362:Agar; D000970:Antineoplastic Agents / Q000494:pharmacology; D002455:Cell Division; D002478:Cells, Cultured; D006801:Humans; D009362:Neoplasm Metastasis; D009369:Neoplasms / Q000188:drug therapy / Q000473:pathology*; D011379:Prognosis
chemical_list: D000970:Antineoplastic Agents; D000362:Agar