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. 2020 Jan 8;5(1):1–8. doi: 10.1016/j.bioactmat.2020.01.002

Fig. 4.

Fig. 4

SEM images of the 317L SS and Mg–Zn–Y–Nd surfaces after immersed in the Hank's solution for 1 day, 3 days, 7 days, 10 days, 15 days, 22 days and 30 days.