Article title An open randomised trial of second-line endocrine therapy in advanced breast ca… Author José Joaquín Caicedo Doi https://doi.org/10.1016/S0959-8049(03)00630-0 Profession Medicina Institution Instituto Nacional de Cancerologia, Santa Fe de Bogota, Colombia Revista de publicacion European Journal Of Cancer Specialist Mastología Publication name An open randomised trial of second-line endocrine therapy in advanced breast cancer: comparison of the aromatase inhibitors letrozole and anastrozole Article year 2003
