1Liver Hydatid CT Image Segmentation Using Smoothed Bayesian Classification Method and Modified Parametric Active Contour ModelHU Yan-ting, HAMIT·Murat, CHEN Jian-jun, SUN Jing, JI Jin-hu, KONG De-wei139-147,1552The Clinical Randomized Controlled Trial on the Safety and Efficacy of Polyethersulfone Membrane Dialyzer in the Maintenance of Hemodialysis PatientsGU Ying-li, LIN Fu-jun, ZHU Chun, JIANG Geng-ru148-1553Plant as Bioreactor for Producing Heterologous ProteinsYANG Jing, XIONG Li-dong, LI Tian-hang, GUO Yong-xin, LI Hai-yan, LI Xiao-kun156-1734Property of Polyvinyl Alcohol-Calcium Alginate as Composite Scaffolds for Tissue EngineeringHUANG Lei, LI Qin-hua174-1845《CHINESE JOURNAL OF BIOMEDICAL ENGINEERING》contributors封3