@article{McCormick1990,
author = {McCormick, M.C. and Gortmaker, S.L. and Sobol, A.M.},
title= {Very low birth weight children: Behavior problems and school difficulty in a national sample},
year = {1990},
doi = {10.1016/S0022-3476(05)83322-0},
journal = {Journal of Pediatrics},
volume = {117},
number = {5},
pages = {687‒693},
}