http://www.jrf.org.uk/knowledge/findings/socialpolicy/0056.asp
"In recent years there has been a rise in the number of children looked after by local authorities, with consequences both for the children and families themselves and for local authority resources. It is therefore timely to consider the option of reuniting some children with their families. This review of the research in the UK and USA, by Nina Biehal at York University, presents the available research evidence on patterns and outcomes of reunion."
[Reuniting looked-after children with their families: A research review by Nina Biehal, is published for the Foundation by the National Children's Bureau]