CJCP     2012 14 (12):  971-975    ISSN: 1008-8830  CN: 43-1301/R Effects of bone marrow mesenchymal stem cell transplantation on retinal cell apoptosis in premature rats with retinopathy ZHAO Yan-Song, ZHAO Kan-Xing, WANG Xiao-Li, CHEN Yu-Xi, WANG Li, MU Qing-Jie Tianjin Eye Hospital, Tianjin Medical University, Tianjin 300020, China. zkx4260@vip.163.com Received: null  Revised: null  Online: null Supporting info