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. 2022 Dec 23;17:563. doi: 10.1186/s13018-022-03462-1

Fig.1.

Fig.1

Comparison of femoral length before and after osteotomy. Between the blue line and the red line is the length of femoral shortening after “point-to-face” and osteotomy. Between the blue line and the yellow line is the length of femoral shortening after “face-to-face” osteotomy