[640] Jenkins, V. A., Ambroisine L. M., Atkins L., Cuzick J., Howell A., & Fallowfield L. J. (2008).  Effects of anastrozole on cognitive performance in postmenopausal women: a randomised, double-blind chemoprevention trial (IBIS II). The Lancet Oncology. 9(10), 953 - 961.