An open randomised trial of second-line endocrine therapy in advanced breast cancer: comparison of the Aromatase inhibitors letrozole and anastrozole.
J S
JS
Tobias
A
A
Howell
D000077384:Anastrozole; D018931:Antineoplastic Agents, Hormonal / Q000627:therapeutic use*; D001943:Breast Neoplasms / Q000188:drug therapy*; D005260:Female; D006801:Humans; D000077289:Letrozole; D009570:Nitriles / Q000627:therapeutic use*; D016032:Randomized Controlled Trials as Topic; D014230:Triazoles / Q000627:therapeutic use*
D018931:Antineoplastic Agents, Hormonal; D009570:Nitriles; D014230:Triazoles; D000077384:Anastrozole; D000077289:Letrozole