Clinical significance of ESR1 gene copy number changes in breast cancer as measured by fluorescence in situ hybridization. - Ching-Hung Lin; Liu, Jacqueline M.; Yen-Shen Lu; Chieh Lan; Wei-Chung Lee; Kuan-Ting Kuo; Chung-Chieh Wang; Dwan-Ying Chang; Chiun-Sheng Huang; Ann-Lii Cheng (Journal of Clinical Pathology, 2013)