title: Re: Randomized trial of letrozole following tamoxifen as extended adjuvant therapy in receptor-positive breast cancer: updated findings from NCIC CTG MA.17.
authors.forename: Luc
authors.initials: L
authors.lastname: Vakaet
mesh_terms: D018931:Antineoplastic Agents, Hormonal / Q000627:therapeutic use*; D047072:Aromatase Inhibitors / Q000627:therapeutic use; D001943:Breast Neoplasms / Q000737:chemistry* / Q000188:drug therapy* / Q000601:surgery; D017024:Chemotherapy, Adjuvant; D020847:Estrogen Receptor Modulators / Q000627:therapeutic use; D005260:Female; D006801:Humans; D000077289:Letrozole; D009570:Nitriles / Q000627:therapeutic use*; D018579:Patient Selection; D011374:Progesterone / Q000032:analysis; D016032:Randomized Controlled Trials as Topic; D011960:Receptors, Estrogen / Q000032:analysis; D013629:Tamoxifen / Q000627:therapeutic use*; D016896:Treatment Outcome; D014230:Triazoles / Q000627:therapeutic use*
chemical_list: D018931:Antineoplastic Agents, Hormonal; D047072:Aromatase Inhibitors; D020847:Estrogen Receptor Modulators; D009570:Nitriles; D011960:Receptors, Estrogen; D014230:Triazoles; D013629:Tamoxifen; D011374:Progesterone; D000077289:Letrozole