JCO: Need for Estradiol Assays With a Lower Functional Sensitivity in Clinical Studies Examining Postmenopausal Women Treated With Aromatase Inhibitors

1)  Need for Estradiol Assays With a Lower Functional Sensitivity in Clinical Studies Examining Postmenopausal Women Treated With Aromatase Inhibitors

2)  Author's Reply:
  "We are pleased that Pauwels et al¹ have drawn readers' attention to the difficulties of measuring low baseline plasma levels of estrogen in postmenopausal women and the extra demands imposed by measurements in patients treated with aromatase inhibitors (AIs)...."