@article{Blondel2002,
author = {Blondel, B. and Kogan, M.D. and Alexander, G.R. and Dattani, N. and Kramer, M.S. and Macfarlane, A. and Wen, S.W.},
title= {The impact of the increasing number of multiple births on the rates of preterm birth and low birth weight: An international study},
year = {2002},
doi = {10.2105/AJPH.92.8.1323},
journal = {American Journal of Public Health},
volume = {92},
number = {8},
pages = {1323--1330},
}