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	1.	Socioeconomic effects on the risk of having a recognized pregnancy with Down syndrome. [electronic resource] by Torfs, Claudine P Christianson, Roberta E Producer: 20040309 In: Birth defects research. Part A, Clinical and molecular teratology vol. 67 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Fetal trisomy 21 and maternal preeclampsia. [electronic resource] by Zhang, Jun Christianson, Roberta E Torfs, Claudine P Producer: 20040525 In: Epidemiology (Cambridge, Mass.) vol. 15 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Prenatal DDT exposure and testicular cancer: a nested case-control study. [electronic resource] by Cohn, Barbara A Cirillo, Piera M Christianson, Roberta E Producer: 20101019 In: Archives of environmental & occupational health vol. 65 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Maternal meiosis II nondisjunction in trisomy 21 is associated with maternal low socioeconomic status. [electronic resource] by Christianson, Roberta E Sherman, Stephanie L Torfs, Claudine P Producer: 20050204 In: Genetics in medicine : official journal of the American College of Medical Genetics vol. 6 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Maternal smoking, alcohol consumption, and caffeine consumption during pregnancy in relation to a son's risk of persistent cryptorchidism: a prospective study in the Child Health and Development Studies cohort, 1959-1967. [electronic resource] by Mongraw-Chaffin, Morgana L Cohn, Barbara A Cohen, Richard D Christianson, Roberta E Producer: 20080206 In: American journal of epidemiology vol. 167 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Selected gene polymorphisms and their interaction with maternal smoking, as risk factors for gastroschisis. [electronic resource] by Torfs, Claudine P Christianson, Roberta E Iovannisci, David M Shaw, Gary M Lammer, Edward J Producer: 20061207 In: Birth defects research. Part A, Clinical and molecular teratology vol. 76 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	Maternal smoking, alcohol, and coffee use during pregnancy and son's risk of testicular cancer. [electronic resource] by Mongraw-Chaffin, Morgana L Cohn, Barbara A Anglemyer, Andrew T Cohen, Richard D Christianson, Roberta E Producer: 20090528 In: Alcohol (Fayetteville, N.Y.) vol. 43 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	8.	Prospective study of hepatitis C viral infection as a risk factor for subsequent B-cell neoplasia. [electronic resource] by Rabkin, Charles S Tess, Beatriz H Christianson, Roberta E Wright, William E Waters, David J Alter, Harvey J Van Den Berg, Bea J Producer: 20020701 In: Blood vol. 99 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	9.	DDT and DDE exposure in mothers and time to pregnancy in daughters. [electronic resource] by Cohn, Barbara A Cirillo, Piera M Wolff, Mary S Schwingl, Pamela J Cohen, Richard D Sholtz, Robert I Ferrara, Assiamira Christianson, Roberta E van den Berg, Barbara J Siiteri, Pentti K Producer: 20030717 In: Lancet (London, England) vol. 361 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)