@article{Kiely1992,
author = {Kiely, J.L. and Kleinman, J.C. and Kiely, M.},
title= {Triplets and higher-order multiple births: Time trends and infant mortality},
year = {1992},
doi = {10.1001/archpedi.1992.02160190094029},
journal = {Archives of Pediatrics & Adolescent Medicine},
volume = {146},
number = {7},
pages = {862--868},
}