@article{Smith1996,
author = {Smith, K.R. and Zick, C.D.},
title= {Risk of mortality following widowhood: Age and sex differences by mode of death},
year = {1996},
doi = {10.1080/19485565.1996.9988913},
volume = {43},
number = {1‒2},
pages = {59‒71},
}