@article{Amone-P’Olak2009,
author = {Amone-P’Olak, K. and Burger, H. and Ormel, J. and Huisman, M. and Verhulst, F.C. and Oldehinkel, A.J.},
title= {Socioeconomic position and mental health problems in pre- and early-adolescents: The TRAILS study},
year = {2009},
doi = {10.1007/s00127-008-0424-z},
volume = {44},
number = {3},
pages = {231--238},
}