1998
Plasma Sex Steroid Hormone Levels and Risk of Breast Cancer in Postmenopausal Women
Hankinson S, Willett W, Manson J, Colditz G, Hunter D, Spiegelman D, Barbieri R, Speizer F. Plasma Sex Steroid Hormone Levels and Risk of Breast Cancer in Postmenopausal Women. Journal Of The National Cancer Institute 1998, 90: 1292-1299. PMID: 9731736, DOI: 10.1093/jnci/90.17.1292.Peer-Reviewed Original ResearchConceptsSex steroid hormone levelsHormone replacement therapyBreast cancer riskPostmenopausal womenBreast cancerSteroid hormone levelsBlood collectionEstrogen levelsReplacement therapyHormone levelsCancer riskHealth StudyPrevious hormone replacement therapyPlasma sex steroid hormone levelsPostmenopausal estrogen levelsNurses' Health StudyPlasma estrogen levelsLevels of estradiolCase-control studyPlasma androgen levelsBioavailable estradiolMenopausal statusSignificant positive associationControl subjectsLowest quartile
1995
Reproducibility of plasma hormone levels in postmenopausal women over a 2-3-year period.
Hankinson SE, Manson JE, Spiegelman D, Willett WC, Longcope C, Speizer FE. Reproducibility of plasma hormone levels in postmenopausal women over a 2-3-year period. Cancer Epidemiology Biomarkers & Prevention 1995, 4: 649-54. PMID: 8547832.Peer-Reviewed Original ResearchConceptsSex hormone-binding globulinIntraclass correlation coefficientPlasma hormone levelsPostmenopausal womenBioavailable estradiolPlasma levelsFree estradiolHormone levelsHealthy postmenopausal womenHormone-binding globulinLow intraclass correlation coefficientsPostmenopausal hormonesPlasma estrogenPlasma hormonesEstrone sulfateAge 51Blood samplesEstradiolWomenHormoneAndrostenedioneProlactinAgeSample collectionMenopause