Crivellari, Diana, Sun, Zhuoxin, Gelber, Richard D., Colleoni, Marco, Lang, Istvan, Del Mastro, Lucia, Gladieff, Laurence, Rabaglio, Manuela, Smith, Ian E., Chirgwin, Jacquie H., Goldhirsch, Aron, Coates, Alan S., Price, Karen N., Thurlimann, Beat, Mouridsen, Henning, Mauriac, Louis, Forbes, John F., Paridaens, Robert J., Castiglione-Gertsch, Monica. American Society of Clinical Oncology; 2008. Letrozole compared with tamoxifen for elderly patients with endocrine-responsive early breast cancer: the BIG 1-98 trial.

Ewertz, Marianne, Gray, Kathryn P., Gelber, Richard D., Colleoni, Marco, Láng, István, Smith, Ian E., Coates, Alan S., Goldhirsch, Aron, Mouridsen, Henning T., Regan, Meredith M., Ejlertsen, Bent, Price, Karen N., Thürlimann, Beat, Bonnefoi, Hervé, Forbes, John F., Paridaens, Robert J., Rabaglio, Manuela. American Society of Clinical Oncology; 2012. Obesity and risk of recurrence or death after adjuvant endocrine therapy with letrozole or tamoxifen in the Breast International Group 1-98 trial.