@article{Olshansky2005, author = {Olshansky, S.J. and Passaro, D.J. and Hershow, R.C. and Layden, J. and Carnes, B.A. and Brody, J. and Hayflick, L. and Butler, R.N. and Allison, D.B. and Ludwig, D.S.}, title= {A potential decline in life expectancy in the United States in the 21st century}, year = {2005}, doi = {10.1056/NEJMsr043743}, journal = {New England Journal of Medicine}, volume = {352}, pages = {1138--1145}, }