title: Aromatase inhibitors in advanced breast cancer: there are efficacy differences.
authors.forename: A S
authors.initials: AS
authors.lastname: Bhatnagar
mesh_terms: D018931:Antineoplastic Agents, Hormonal / Q000627:therapeutic use*; D047072:Aromatase Inhibitors / Q000627:therapeutic use*; D001943:Breast Neoplasms / Q000188:drug therapy*; D005260:Female; D006801:Humans
chemical_list: D018931:Antineoplastic Agents, Hormonal; D047072:Aromatase Inhibitors