@book{National Center2010,
author = {National Center, for Health Statistics},
title= {Mortality data, multiple cause-of-death public-use data files},
year = {2010},
URL = {http://www.cdc.gov/nchs/data_access/Vitalstatsonline.htm#Mortality_Multiple},
address = {Hyattsville, MD},
publisher = {National Center for Health Statistics},
}