Fig. 6From: Effects of electromagnetic fields treatment on rat critical-sized calvarial defects with a 3D-printed composite scaffoldConstruction of rat critical-sized calvarial defect. a Macroscopic view of the PLA/HA composite scaffold for implantation. b A 6-mm-diameter defect was created in the center of the skull using a micro-trephine. c Defect was implanted with the scaffoldBack to article page