title: An improved method for calculating colony forming ability in soft agar with special reference to malignancy.
mesh_terms: D000362:Agar; D000818:Animals; D002455:Cell Division; D002460:Cell Line; D002999:Clone Cells / Q000473:pathology; D003470:Culture Media; D051379:Mice; D008819:Mice, Nude; D009368:Neoplasm Transplantation; D009374:Neoplasms, Experimental / Q000473:pathology*
chemical_list: D003470:Culture Media; D000362:Agar