Evaluation of Circulating Endometrial Cells as a Biomarker for Endometriosis oleh Ying Chen, Hong-Lan Zhu, Zhe-Wen Tang, Kuang Hong Neoh, Dong-Fang Ouyang, Heng Cui, Hong-Yan Cheng, Rui-Qiong Ma, Xue Ye, Ray PS Han, Xiao-Hong Chang