K. Lykopoulos

Systematic review of lapatinib in combination with letrozole compared with other first-line treatments for hormone receptor positive(HR+) and HER2+ advanced or metastatic breast cancer(MBC)

D. Rea, J. Kleijnen, M. Amonkar, 2012, Current medical research and opinion.

Systematic review of aromatase inhibitors in the first-line treatment for hormone sensitive advanced or metastatic breast cancer

D. Rea, J. Kleijnen, M. Amonkar, 2010, Breast Cancer Research and Treatment.

Cost-Effectiveness of Lapatinib plus Letrozole in Post-Menopausal Women with Hormone Receptor- and HER2-Positive Metastatic Breast Cancer

T. Delea, S. Johnston, M. Amonkar, 2013, Breast Care.