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Quong D, Neufeld RJ, Skjåk-Bræk G, Poncelet D. External versus internal source of calcium during the gelation of alginate beads for DNA encapsulation. Biotechnol. Bioeng. 1998 Feb 20;57(4):438–46. doi: 10.1002/(sici)1097-0290(19980220)57:4<438::aid-bit7>3.0.co;2-n. |