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. 2018 Apr 26;11(5):678. doi: 10.3390/ma11050678

Figure 1.

Figure 1

FE-SEM images of (a) MBG_Sr2%_SG; (b) MBG_Sr4%_SG; (c) MBG_Sr2%_SD; (d) MBG_Sr4%_SD.