Associations of mother's and father's parenting practices with children's observed social reticence in a competitive situation: a monozygotic twin difference study
Journal of Abnormal Child Psychology (2012) - Comment
pubmed: 21947581  doi: 10.1007/s10802-011-9573-8  issn: 1573-2835  issn: 0091-0627 

Fanny-Alexandra Guimond, Mara Brendgen, Nadine Forget-Dubois, Ginette Dionne, Frank Vitaro, Richard E. Tremblay, Michel Boivin