@article{Rogers1987,
author = {Rogers, R.G. and Hackenberg, R.},
title= {Extending epidemiologic transition theory: A new stage},
year = {1987},
doi = {10.1080/19485565.1987.9988678},
journal = {Biodemography and Social Biology },
volume = {34},
number = {3/4},
pages = {234--243},
}