Five medical journal articles about the findings

A Short Latency Between Radiation Exposure From Nuclear Plants And Cancer In Young Children
International Journal of Health Services, 2006  
An Unexpected Rise in Strontium-90 in U.S. Deciduous Teeth in the 1990s The Science of the Total Environment, 2003
Strontium-90 in Deciduous Teeth as a Factor in Early Childhood Cancer
International Journal of Health Services, 2000  
Strontium-90 in Newborns and Childhood Disease
Archives of Environmental Health, 2000.
The Strontium-90 Baby Teeth Study and Childhood Cancer
European Journal of Oncology
, 2000.