Boer F, Versluis-den Bieman H J, Verhulst F C
Curium Academic Center for Child and Adolescent Psychiatry, University of Leiden, Oegstgeest (Boer), The Netherlands.
Am J Orthopsychiatry. 1994 Apr;64(2):252-62. doi: 10.1037/h0079528.
In a study of internationally adopted children in the Netherlands 399 children placed with one or more siblings were followed up approximately ten years after placement. A comparison of problem behavior in this group with that of 1,749 children placed alone shows that the adoption of sibling groups is relatively successful.