Fig. 3From: Experimental study of a 3D-printing technique combined with biphasic calcium phosphates to treat osteonecrosis of the femoral head in a canine modelA Gross observation of the femoral head in the experimental group and control group: 6 W, 12 W, and 18 W after the operation; B Cross-section of the femoral head in the experimental group and control group: 6 W, 12 W, and 18 W after the operationBack to article page