@article{Singh2002,
author = {Singh, G.K. and Siahpush, M.},
title= {Increasing Rural – Urban Gradients in US Suicide},
year = {2002},
doi = {10.2105/AJPH.92.7.1161},
journal = {American Journal of Public Health},
volume = {92},
number = {7},
pages = {1161--1167},
}