Selective Estrogen Receptor ModulatorsRaloxifeneTamoxifenReceptors, EstrogenEstrogen AntagonistsEstrogen Receptor alphaEstrogen Receptor ModulatorsEstrogensEstrogen Receptor betaThiophenesEstradiolTetrahydronaphthalenesOvariectomyToremifenePyrrolidinesPiperidinesBreast NeoplasmsOsteoporosis, PostmenopausalKeratin-13UterusAntineoplastic Agents, HormonalBone Density Conservation AgentsNicotinic AcidsPostmenopauseEstrogens, Conjugated (USP)PhytoestrogensOsteoporosisEstrogen Replacement TherapyAromatase InhibitorsRats, Sprague-DawleyAnticarcinogenic AgentsDose-Response Relationship, DrugCell Line, TumorBone and BonesEndometriumMammary Neoplasms, ExperimentalDrug Evaluation, PreclinicalNeoplasms, Hormone-DependentLigandsOrgan SizeIndolesBone DensityClinical Trials as TopicCyclofenilNorpregnadienesEstradiol CongenersTumor Cells, CulturedReceptors, ProgesteroneMolecular StructureCell ProliferationDisease Models, AnimalDrug Resistance, NeoplasmGene Expression RegulationCells, Cultured