title: Spontaneous alteration in growth rates of two human melanoma xenografts. Concurrent changes in chemosensitivity.
mesh_terms: D000818:Animals; D000970:Antineoplastic Agents / Q000627:therapeutic use*; D004351:Drug Resistance; D006801:Humans; D008545:Melanoma / Q000188:drug therapy / Q000473:pathology*; D051379:Mice; D009368:Neoplasm Transplantation; D014183:Transplantation, Heterologous
chemical_list: D000970:Antineoplastic Agents