@article{Kelly2009,
author = {Kelly, Y. and Panico, L. and Bartley, M. and Marmot, M. and Nazroo, J. and Sacker, A.},
title= {Why does birthweight vary among ethnic groups in the UK? Findings from the Millennium Cohort Study},
year = {2009},
doi = {10.1093/pubmed/fdn057},
volume = {31},
number = {1},
pages = {131--137},
}