Callous-unemotional traits as unique prospective risk factors for substance use in early adolescent boys and girls
Journal of Abnormal Child Psychology (2012) - Comment
pubmed: 22453863  doi: 10.1007/s10802-012-9628-5  issn: 1573-2835  issn: 0091-0627 

Brian T. Wymbs, Carolyn A. McCarty, Kevin M. King, Elizabeth McCauley, Ann Vander Stoep, John S. Baer, Daniel A. Waschbusch