@article{Ukwuani2002,
author = {Ukwuani, F.A. and Cornwell, G.T. and Suchindran, C.M. },
title= {Polygyny and child survival in Nigeria: Age-dependent effects},
year = {2002},
doi = {10.1007/BF03031975},
journal = {Journal of Population Research },
volume = {17},
number = {2},
pages = {155--172},
}