Labriola, Dan 'Natural' hormone replacement and breast cancer risk: evidence for safety and efficacy. [electronic resource] - Oncology (Williston Park, N.Y.) Jun 2009 - 639-41 p. digital Publication Type: Journal Article ISSN: 0890-9091 Subjects--Topical Terms: Breast Neoplasms--chemically inducedFemaleHormone Replacement Therapy--adverse effectsHumansRisk FactorsSafety