title: Life span and 'immortalization' of mammalian cells.
mesh_terms: D000256:Adenoviridae; D000818:Animals; D001354:Avian Leukosis Virus; D002470:Cell Survival; D002471:Cell Transformation, Neoplastic; D002472:Cell Transformation, Viral; D017977:Deltaretrovirus; D004854:Herpesvirus 4, Human; D006801:Humans; D009369:Neoplasms / Q000473:pathology; D009857:Oncogenes; D011120:Polyomavirus; D012842:Sarcoma Virus, Woolly Monkey; D013539:Simian virus 40