title: Chalones revisited.
mesh_terms: D004847:Epithelial Cells; D004848:Epithelium / Q000502:physiology; D006131:Growth Inhibitors / Q000302:isolation & purification / Q000494:pharmacology / Q000627:therapeutic use; D006801:Humans; D009368:Neoplasm Transplantation; D009369:Neoplasms / Q000188:drug therapy
chemical_list: D006131:Growth Inhibitors