Fig. 1From: Fabrication of naturel pumice/hydroxyapatite composite for biomedical engineeringSEM images recorded on the surface of the 5 wt% NP-BHA (a–d) and 10 wt% NP-BHA cylinders sintered at 1000 °C (a–f) and 1300 °C (c, d, g, h)Back to article page