@article{Naito2004,
author = {Naito, K. and Poulain, M.},
title= {Okinawa ken ni okeru 2000 nen made no shibouritsu suii [Mortality trends in Okinawa up until 2000]},
year = {2004},
journal = {The Journal of Population Studies},
volume = {35},
pages = {13--33},
}