@article{Monden2017,
author = {Monden, C. and Smits, J.},
title= {Mortality among twins and singletons in sub-Saharan Africa between 1995 and 2014: A pooled analysis of data from 90 Demographic and Health Surveys in 30 countries},
year = {2017},
doi = {10.1016/S2214-109X(17)30197-3},
volume = {5},
number = {7},
pages = {PE673‒E679},
}