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. Author manuscript; available in PMC: 2011 Feb 17.
Published in final edited form as: Adv Drug Deliv Rev. 2009 Nov 14;62(2):122–149. doi: 10.1016/j.addr.2009.10.004

Fig. 4.

Fig. 4

Branched HPMA copolymers containing the GFF degradable sequence in crosslinks; this sequence mimics the amino acid residues 23–25 of the insulin B chain [38,52].