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. 2012 Jul-Sep;2(3):134–139. doi: 10.4103/2230-973X.104396

Figure 3.

Figure 3

SEM pictures of SPH and SPHCs: (a) SPH of poly (AM-co-AA); (b) SPHC of poly (AM-co-AA) with Ac-Di-Sol; (c) SPHC of poly (AM-co-AA) with PVP