@article{doi:10.1001/jama.2009.1391,
title = {THe span of human life},
journal = {JAMA},
volume = {302},
number = {16},
pages = {1817},
year = {2009},
doi = {10.1001/jama.2009.1391},
URL = { + http://dx.doi.org/10.1001/jama.2009.1391},
eprint = {/data/Journals/JAMA/4485/jjy90036_1817_1817.pdf}
}