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