Increased expression of secreted frizzled related protein 1 (SFRP1) predicts ampullary adenocarcinoma recurrence

Li Chin Cheng, Ying Jui Chao, Michael J. Overman, Chih Yang Wang, Nam Nhut Phan, Yi Ling Chen, Tzu Wen Wang, Hui Ping Hsu, Yan Shen Shan, Ming Derg Lai