@article{Morgan2009,
author = {Morgan, P.L. and Farkas, G. and Hillemeier, M.},
title= {Risk factors for learning-related behavior problems at 24 months of age: Population-based estimates},
year = {2009},
doi = {10.1007/s10802-008-9279-8},
journal = {Journal of Abnormal Child Psychology},
volume = {37},
pages = {401--413},
}