Clinical Validity of 16α-[18F]Fluoro-17β-Estradiol Positron Emission Tomography/Computed Tomography to Assess Estrogen Receptor Status in Newly Diagnosed Metastatic Breast Cancer. - van Geel JJL; Boers J; Elias SG; Glaudemans AWJM; de Vries EFJ; Hospers GAP; van Kruchten M; Kuip EJM; Jager A; Menke-van der Houven van Oordt WC; van der Vegt B; de Vries EGE; et al. (Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 2022)