7Hsu BR, Chen HC, Fu SH, et al. The use of field effects to generate calcium alginate microspheres and its application in celt transplantation. J Formos Med Assoc, 1994,93:240-245.
8Dvir Ginzberg M, Gamlieli-Bonshtein I, Agbaria R, et al.Liver tissue engineering within alginate scaffolds:effects of cell-seeding density on hepatocyte viability,morphology, and function. Tissue Eng,2003,9:757-766.