@techreport{MacDorman2013,
author = {MacDorman, M.F. and Hoyert, D.L. and Mathews, T.J.},
title= {Recent declines in infant mortality in the United States, 2005–2011},
year = {2013},
publisher = {National Center for Health Statistics},
address = {Atlanta},
number = {NCHS Data Brief 120},
}