Barely Significant
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Fabrication and characteristics of chitosan sponge as a tissue engineering scaffold.

Biomed Res Int · 2014 · PMC3997083 · PMID 24804246

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a decreasing trendno p-value reported
A decreasing trend in the porosity was observed as the concentration of the chitosan increased, although it was always approximately 75–85%, and no significant differences were observed between the groups.

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