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Figure 1: Melatonin treatment improved periprosthetic bone mass in a rat titanium rod-femur model. (a) 3D reconstruction of μCT images. (b) BMD (g/cm3). (c) Conn.D (1/mm3). (d) BV/TV (%). (e) BS/BV (1/mm). (f) Tb.N (1/mm). (g) Tb.Th (μm). (h) Tb.Sp (μm). per group. and .