Fig. 7
![Fig. 7](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12872-020-01815-4/MediaObjects/12872_2020_1815_Fig7_HTML.png)
Representatives of CD31 immunohistochemical staining of MCD and the semi-quantitative analysis for all groups (400×). A normal group, B DCM model group, C 8 cycles group, D 18 cycle group, E 26 cycle group, F 36 cycle group, G Statistical histogram. a P < 0.05 versus the normal control group, b P < 0.05 versus the DM model group