title: On the presence within tumours of clones that differ in sensitivity to cytostatic drugs.
mesh_terms: D000818:Animals; D002999:Clone Cells / Q000187:drug effects*; D003561:Cytarabine / Q000494:pharmacology*; D004273:DNA, Neoplasm / Q000096:biosynthesis; D008558:Melphalan / Q000494:pharmacology*; D008748:Methylcholanthrene; D051379:Mice; D009368:Neoplasm Transplantation; D012513:Sarcoma, Experimental / Q000139:chemically induced / Q000378:metabolism / Q000473:pathology*; D013936:Thymidine / Q000378:metabolism; D014184:Transplantation, Homologous; D014316:Tritium; D014747:Vinblastine / Q000494:pharmacology*
chemical_list: D004273:DNA, Neoplasm; D003561:Cytarabine; D014316:Tritium; D008748:Methylcholanthrene; D014747:Vinblastine; D008558:Melphalan; D013936:Thymidine