Fig. 2
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13287-022-02960-7/MediaObjects/13287_2022_2960_Fig2_HTML.png)
Cumulative cure rate by treatment with MSC or without MSC among severe pneumonia cases (a), non-severe cases (b), and total cases (c)
Cumulative cure rate by treatment with MSC or without MSC among severe pneumonia cases (a), non-severe cases (b), and total cases (c)