RT Journal Article SR Electronic T1 Broken Limits to Life Expectancy JF Science JO Science FD American Association for the Advancement of Science SP 1029 OP 1031 DO 10.1126/science.1069675 VO 296 IS 5570 A1 Oeppen, Jim A1 Vaupel, James W. YR 2002 UL http://science.sciencemag.org/content/296/5570/1029.abstract AB