Bone marrow mesenchymal cells: polymorphism associated with transformation of rough endoplasmic reticulum oleh Yong-Xin Ru, Shu-Xu Dong, Chun-Hui Xu, Shi-Xuan Zhao, Hua-Mei Zhang, Hao-Yue Liang, Min Fen, Feng-Kui Zhang, Ying-Dai Gao, Shu-Lin Qi, Hong-Cai Shang