RETRACTED: LncRNA KRAL suppresses cell growth and increases sensitivity to doxorubicin in osteosarcoma cells by sponging microRNAs-141 - Jingwei Cai; Xiaohui Chen; Fei Ma; Jun Qian; Ming Niu; Yuzhen Gao; Junwei Li; Xiaoqiang Ren (European Journal of Inflammation)