Do friends' characteristics moderate the prospective links between peer victimization and reactive and proactive aggression?
Journal of Abnormal Child Psychology (2007) - Comment
pubmed: 17503177  doi: 10.1007/s10802-007-9122-7  issn: 0091-0627  issn: 1573-2835 

Véronique Lamarche, Mara Brendgen, Michel Boivin, Frank Vitaro, Ginette Dionne, Daniel Pérusse