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. Author manuscript; available in PMC: 2014 Jan 1.
Published in final edited form as: Adv Drug Deliv Rev. 2012 Aug 18;65(1):17–20. doi: 10.1016/j.addr.2012.07.015

Fig. 3.

Fig. 3

The current approaches in hydrogel research and its application for developing clinical products in comparison with the suggested future efforts on hydrogel research.