Synthesis and Characterization of Magnetic Polyvinyl Alcohol (PVA) Hydrogel Microspheres for the Embolization of Blood Vessel. - Shuang Qiu; Nai J. Ge; Dong K. Sun; Sheng Zhao; Jian F. Sun; Zhao B. Guo; Ke Hu; Ning Gu (IEEE Trans. Biomed. Eng., 2016)