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. 2020 Mar 11;15(3):e0227784. doi: 10.1371/journal.pone.0227784

Fig 6.

Fig 6

SEM images of the microstructure of (a) 23% and (e) 25% P407-based gels. Urokinase was added to the (b) 23% and (f) 25% P407. A more compact and porous structure was observed with an addition of 6mg HA to the (c, g) 23% and (d, h) 25% P407.