Fig. 4
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs11658-017-0055-z/MediaObjects/11658_2017_55_Fig4_HTML.gif)
Effects of the BM-MNC conditioned-medium on the proliferation of fibroblasts after 3 days in standard (S+) or hypoxic atmosphere (H+). The results are expressed as means ± SEM (n = 19 standard culture, n = 15 hypoxic). *p < 0.05 compared with control in the same atmosphere (S- or H-)