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(A–F) Pore area (including the area of half of the cell wall thickness) distribution for the scaffolds frozen longitudinally and radially at three different applied cooling rates (0.1 °C/min, 1 °C/min, and 10 °C/min); pore aspect ratio (G-L) distribution for the longitudinally and radially-frozen scaffolds at the three different applied cooling rates (upper scaffold region).
