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. 2021 Mar 17;16:197. doi: 10.1186/s13018-021-02355-z

Fig. 4.

Fig. 4

A 42-year-old female was treated by PMA technique. a and b Preoperative X-ray films showed a middle and distal-third humeral shaft fracture. c and d Immediate postoperative X-ray films showed good reduction and fixation. e and f One year after operation, X-ray films showed that this fracture healed well. PMA stands for the posterior median approach