@article{Chao2018,
author = {Chao, F. and You, D. and Pedersen, J. and Hug, L. and Alkema, L.},
title= {National and regional under-5 mortality rate by economic status for low-income and middle-income countries: A systematic assessment},
year = {2018},
doi = {10.1016/S2214-109X(18)30059-7},
volume = {6},
number = {5},
pages = {535‒547},
}