Extension of Life-Span by Introduction of Telomerase into Normal Human Cells Bodnar, Andrea G. ; Ouellette, Michel ; Frolkis, Maria ; Holt, Shawn E. ; Chiu, Choy-Pik ; Morin, Gregg B. ; Harley, Calvin B. ; Shay, Jerry W. ; Lichtsteiner, Serge ; Wright, Woodring E. Abstract Publication: Science Pub Date: January 1998 DOI: 10.1126/science.279.5349.349 Bibcode: 1998Sci...279..349B