title: The chalone concept.
mesh_terms: D000375:Aging; D000818:Animals; D002455:Cell Division / Q000187:drug effects*; D003260:Contact Inhibition; D006131:Growth Inhibitors / Q000378:metabolism / Q000494:pharmacology* / Q000627:therapeutic use; D007962:Leukocytes / Q000032:analysis; D008322:Mammals; D009369:Neoplasms / Q000188:drug therapy; D014176:Protein Biosynthesis; D012313:RNA / Q000096:biosynthesis; D013936:Thymidine / Q000378:metabolism
chemical_list: D006131:Growth Inhibitors; D012313:RNA; D013936:Thymidine