Wang ZX, Wang EX, Bai W, Xia DD, Mu W, Li J, Yang QY, Huang M, Xu GH, Sun JH, Li HL, Zhao H, Wu JB, Yang SF, Li JP, Li ZX, Zhang CQ, Zhu XL, Zheng YB, Wang QH, Li J, Yuan J, Li XM, Niu J, Yin ZX, Xia JL, Fan DM, Han GH, on behalf of China HCC-TACE Study Group. Validation and evaluation of clinical prediction systems for first and repeated transarterial chemoembolization in unresectable hepatocellular carcinoma: A Chinese multicenter retrospective study. World J Gastroenterol 2020; 26(6): 657-669 [PMID: 32103874 DOI: 10.3748/wjg.v26.i6.657]