Developmental Associations Between Conduct Problems and Expressive Language in Early Childhood: A Population-Based Study. Girard, Lisa-Christine; Pingault, Jean-Baptiste; Doyle, Orla; Falissard, Bruno; Tremblay, Richard E.. Journal of Abnormal Child Psychology. 2016; 1033-1043: p.1033-1043. doi:10.1007/s10802-015-0094-8Article