title: Upstaging tamoxifen? New classes of drugs emerging for breast cancer.
authors.forename: Renee
authors.initials: R
authors.lastname: Twombly
mesh_terms: D018931:Antineoplastic Agents, Hormonal / Q000627:therapeutic use; D047072:Aromatase Inhibitors; D001943:Breast Neoplasms / Q000188:drug therapy*; D017322:Clinical Trials, Phase II as Topic; D004311:Double-Blind Method; D004791:Enzyme Inhibitors / Q000627:therapeutic use*; D004965:Estrogen Antagonists / Q000627:therapeutic use; D005260:Female; D006801:Humans; D020849:Raloxifene Hydrochloride / Q000627:therapeutic use; D016032:Randomized Controlled Trials as Topic; D020845:Selective Estrogen Receptor Modulators / Q000627:therapeutic use*; D013629:Tamoxifen / Q000627:therapeutic use*
chemical_list: D018931:Antineoplastic Agents, Hormonal; D047072:Aromatase Inhibitors; D004791:Enzyme Inhibitors; D004965:Estrogen Antagonists; D020845:Selective Estrogen Receptor Modulators; D013629:Tamoxifen; D020849:Raloxifene Hydrochloride