RT Journal T1 Post-surgical resection prognostic value of combined OPN, MMP7, and PSG9 plasma biomarkers in hepatocellular carcinoma A1 Weiqi Rong, Yang Zhang, Lei Yang, Lin Feng, Baojun Wei, Fan Wu, Liming Wang, Yanning Gao, Shujun Cheng, Jianxiong Wu, Ting Xiao PB Front. Med. FD 2019-03-28 YR 2019 JF Frontiers of Medicine JO Front. Med. VO 13 IS 2 SP 250 DO 10.1007/s11684-018-0632-1 K1 biomarkers;OPN;MMP7;PSG9;HCC;prognosis LK {https://academic.hep.com.cn/fmd/EN/article/article_22240.shtml}