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. 2019 May 22;20:238. doi: 10.1186/s12891-019-2626-9

Fig. 2.

Fig. 2

a Preoperative anteroposterior radiograph in an 81-year-old patient with aseptic cup loosening. b Anteroposterior radiograph of the same patient 5 years postoperatively, with a trabecular metal revision shell