@article {4686, title = {Developmental Trajectories of Aggressive and Non-Aggressive Conduct Problems}, journal = {Journal of Quantitative Criminology}, volume = {16}, year = {2000}, month = {June}, pages = {199-221}, keywords = {Behavioral disorders, Great Smoky Mountains Study, Health}, author = {Maughan, Barbara and Pickles, Andrew and Rowe, Richard and Costello, Elizabeth Jane and Angold, Adrian} }