Prentice, Ross L Estrogen plus progestin therapy and breast cancer in recently postmenopausal women. [electronic resource] - American journal of epidemiology May 2008 - 1207-16 p. digital Publication Type: Journal Article; Research Support, N.I.H., Extramural ISSN: 1476-6256 Standard No.: 10.1093/aje/kwn044 doi Subjects--Topical Terms: AgedBreast Neoplasms--chemically inducedCohort StudiesEstrogen Replacement Therapy--adverse effectsEstrogens, Conjugated (USP)--administration & dosageFemaleHumansMedroxyprogesterone Acetate--administration & dosageMiddle AgedNeoplasm InvasivenessObservationPostmenopauseProportional Hazards ModelsRandomized Controlled Trials as TopicRiskTime Factors