Increased Risk of Developing Hepatocellular Carcinoma Associated with Carriage of the TNF2 Allele of the −308 Tumor Necrosis Factor-α Promoter Gene - Sheng-Yow Ho; Ying-Jan Wang; Hen-Li Chen; Chih-Hung Chen; Chih-Jen Chang; Po-Jen Wang; Helen H.W. Chen; How-Ran Guo (Cancer Causes & Control, 2004)