Identify potential clinical significance of long noncoding RNA forkhead box P4 antisense RNA 1 in patients with early stage pancreatic ductal adenocarcinoma oleh Xiao‐Guang Liu, Hao Xu, Ming Chen, Xiao‐Yu Tan, Xiao‐Feng Chen, Yong‐Guang Yang, Man‐Zhou Lin, Guo‐Hua Liu, Xiao‐Lu Liang, Yi‐Bin Qian, Guo‐Jia Yuan, Min‐Qiang Chen, Wen‐Tao Li, Hui‐Lai Miao, Ming‐Yi Li, Xi‐Wen Liao, Wei Dai, Nian‐Ping Chen