title: The immortality enzyme.
mesh_terms: D018288:Carcinoma, Small Cell / Q000503:physiopathology*; D018450:Disease Progression; D006801:Humans; D008175:Lung Neoplasms / Q000503:physiopathology*; D019098:Telomerase / Q000502:physiology*
chemical_list: D019098:Telomerase