Dabelea, D. “The Predisposition to Obesity and Diabetes in Offspring of Diabetic Mothers.” Diabetes Care 30 suppl 2 (2007): S169–74; review; erratum in Diabetes Care 30 (12) (2007): 3154; PubMed PMID: 17596467. The one-in-three statistic is from http://www.heart.org/HEARTORG/GettingHealthy/Overweight-in-Children_UCM_304054_Article.jsp and http://www.heart.org/idc/groups/heart-public/@wcm/@fc/documents/downloadable/ucm_304175.pdf.