Highly Efficient Isolation of Circulating Tumor Cells Using a Simple Wedge-Shaped Microfluidic Device. - Luman Qin; Wei Zhou; Shoukun Zhang; Boran Cheng; Shubin Wang; Songzhan Li; Yanqin Yang; Shengxiang Wang; Kan Liu; Nangang Zhang (IEEE Trans. Biomed. Eng., 2019)