RETRACTED: Construction of circular miRNA sponges targeting miR-21 or miR-221 and demonstration of their excellent anticancer effects on malignant melanoma cells
The International Journal of Biochemistry & Cell Biology (2013) - Comments
doi: 10.1016/j.biocel.2013.09.003  pubmed: 24035906  issn: 1357-2725  issn: 1878-5875 

Yuchen Liu, Hongzhou Cui, Wenjun Wang, Longnian Li, Zaixing Wang, Sen Yang, Xuejun Zhang