title: The differences in outcome between ATAC and BIG 1-98 suggest efficacy differences between these two nonsteroidal AIs.
authors.forename: Henning T
authors.initials: HT
authors.lastname: Mouridsen
mesh_terms: D000077384:Anastrozole; D000971:Antineoplastic Combined Chemotherapy Protocols / Q000627:therapeutic use*; D047072:Aromatase Inhibitors / Q000008:administration & dosage*; D001943:Breast Neoplasms / Q000188:drug therapy* / Q000401:mortality / Q000473:pathology; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D000077289:Letrozole; D009570:Nitriles / Q000008:administration & dosage; D012107:Research Design; D013629:Tamoxifen / Q000008:administration & dosage*; D016896:Treatment Outcome; D014230:Triazoles / Q000008:administration & dosage
chemical_list: D047072:Aromatase Inhibitors; D009570:Nitriles; D014230:Triazoles; D013629:Tamoxifen; D000077384:Anastrozole; D000077289:Letrozole