title: Appropriate design of prospective studies.
authors.forename: Jung-Hye
authors.initials: JH
authors.lastname: Choi
authors.forename: Sin-Ho
authors.initials: SH
authors.lastname: Jung
mesh_terms: D000971:Antineoplastic Combined Chemotherapy Protocols / Q000627:therapeutic use*; D047072:Aromatase Inhibitors / Q000627:therapeutic use*; D001943:Breast Neoplasms / Q000188:drug therapy*; D005260:Female; D006801:Humans; D018719:Erb-b2 Receptor Tyrosine Kinases / Q000032:analysis*
chemical_list: D047072:Aromatase Inhibitors; D018719:Erb-b2 Receptor Tyrosine Kinases