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(A) Photograph of the PAL 3D printed scaffold. (B) mRNA expression of BMP2 and Runx2 genes quantified by real-time RT-PCR (p-value < 0.05). ATP stands for “PAL” and Blank stands for “control group” indicating that those rats did not receive any treatment. (C) Compressive strength of PAL scaffolds at different concentrations of clay minerals. Figures adapted from [90], Dove Medical Pres Ltd, 2020.
