Journal of clinical oncology : official journal of the American Society of Clinical Oncology 2016-05-10
Incomplete Estrogen Suppression With Gonadotropin-Releasing Hormone Agonists May Reduce Clinical Efficacy in Premenopausal Women With Early Breast Cancer.   

Related Questions

What is the ideal timing for monitoring and what laboratory tests should be used?

Pre-treatment estradiol: <5 Estradiol after 1 yr: 35

Would you recommend aiming for the postmenopausal range as per the lab reference range or do you have a specific goal?