@article{Murray1997,
author = {Murray, C.J. and Lopez, A.D.},
title= {Regional patterns of disability-free life expectancy and disability-adjusted life expectancy: Global Burden of Disease Study},
year = {1997},
doi = {10.1016/S0140-6736(96)07494-6},
journal = {Lancet},
volume = {349},
pages = {1347--1352},
}