RETRACTION: Explore on the effect of ATF6 on cell growth and apoptosis in cartilage development (Retraction of Vol 142, Pg 497, 2014)

The Editor-in-Chief has retracted the article by Han et al. (2014) because Fig. 3a-d are also published as Fig. 5b-e in Liu et al. (2012), and Fig. 3a, c, d are also published as Fig. 5a, d, e in Guo et al. (2014).