@article{Johnson2009, author = {Johnson, K.J. and Carozza, S.E. and Chow, E.J. and Fox, E.E. and Horel, S. and McLaughlin, C.C. and Mueller, B.A. and Puumala, S.E. and Reynolds, P. and Von Behren, J. and Spector, L.G.}, title= {Parental age and risk of childhood cancer: A pooled analysis}, year = {2009}, doi = {10.1097/EDE.0b013e3181a5a332}, volume = {20}, number = {4}, pages = {475--483}, }