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. 2016 Sep 20;17:399. doi: 10.1186/s12891-016-1255-9

Fig. 3.

Fig. 3

Native femoral version, version of the final broach and stem version in degrees (°) measured intraoperatively with the help of an imageless navigation system (□ = IQR (25–75 %), — = median, ⊥ = 95 % of the results, ○ = outliers)