2001
Lactation and breast cancer risk: a case–control study in Connecticut
Zheng T, Holford T, Mayne S, Owens P, Zhang Y, Zhang B, Boyle P, Zahm S. Lactation and breast cancer risk: a case–control study in Connecticut. British Journal Of Cancer 2001, 84: 1472-1476. PMID: 11384096, PMCID: PMC2363665, DOI: 10.1054/bjoc.2001.1793.Peer-Reviewed Original ResearchConceptsBreast cancer riskBreast cancerCancer riskIncident breast cancer casesMajor risk factorCase-control studyBreast cancer casesRisk reductionMenopausal statusParous womenPostmenopausal womenInverse associationRisk factorsCancer casesStudy interviewersFurther stratificationFirst childWomenStructured questionnaireLifetime durationCancerRiskLactationChildrenBreastfeeding
2000
Breast Cancer Risk Associated with Congeners of Polychlorinated Biphenyls
Zheng T, Holford TR, Tessari J, Mayne ST, Owens PH, Ward B, Carter D, Boyle P, Dubrow R, Archibeque-Engle S, Zahm SH. Breast Cancer Risk Associated with Congeners of Polychlorinated Biphenyls. American Journal Of Epidemiology 2000, 152: 50-58. PMID: 10901329, DOI: 10.1093/aje/152.1.50.Peer-Reviewed Original ResearchConceptsBreast cancer riskCancer riskCovariate-adjusted odds ratioBreast Cancer Risk AssociatedCase-control studyBreast cancer casesBreast adipose tissueMean tissue levelsCancer Risk AssociatedLowest tertileThird tertileBreast diseaseOdds ratioBreast cancerCancer casesConnecticut womenAdipose tissueFurther stratificationSignificant associationStudy participantsTissue levelsNonhormonal activitiesBody levelEnvironmental exposuresSpecific PCB congeners