Relative difficulties in transforming human and animal cells in vitro.
D000818:Animals; D002455:Cell Division; D002460:Cell Line; D002471:Cell Transformation, Neoplastic; D002877:Chromosomes, Human; D006367:HeLa Cells / Q000502:physiology; D006801:Humans; D006822:Hybrid Cells; D051379:Mice; D009369:Neoplasms / Q000503:physiopathology; D009374:Neoplasms, Experimental / Q000503:physiopathology