A randomized open label clinical trial of fixed vs.titrated dose letrozole for ovarian stimulation in breast cancer patients: an interim analysis

• E.R. Rauch, R. Stubbs, P. Christos, M. Costantini-Ferrando, G. Schattman

• Fertility and Sterility, September 2012, Elsevier
• DOI: 10.1016/j.fertnstert.2012.07.433