@article{Trinidad2016,
author = {Trinidad, J.P. and Warner, M. and Bastian, B.A. and Minino, A.M. and Hedegaard, H.},
title= {Using literal text from the death certificate to enhance mortality statistics: Characterizing drug involvement in deaths},
year = {2016},
journal = {National Vital Statistics Reports },
volume = {65},
number = {9},
pages = {1--15},
}