@article{Hillemeier2009,
author = {Hillemeier, M.M. and Farkas, G. and Morgan, P.L. and Martin, M.A. and Maczuga, S.A.},
title= {Disparities in the prevalence of cognitive delay: How early do they appear?},
year = {2009},
doi = {10.1111/j.1365-3016.2008.01006.x},
journal = {Paediatric and Perinatal Epidemiology},
volume = {23},
pages = {186--198},
}