Correction: BMC Complement Med Ther 20, 193 (2020)

https://doi.org/10.1186/s12906-020-02996-3

Following publication of the original article [1], the authors reported an error in Fig. 4D. The immunohistological image of collagen II (12 weeks, ICS-CSSH) was in different magnification from other images. The correct figure is given below.

Fig. 4
figure 1

ICS-CSSH promoted the regeneration of cartilage defect regeneration in vivo through histologic observation. a-d Histological and immunohistochemical analysis of osteochondral defects repair in rabbit knees

The original article [1] has been updated.