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Editorial
Gastric emptying measured by ultrasonography 
Odd Helge Gilja, Trygve Hausken, Svein Ødegaard, Arnold Berstad 
World J Gastroenterol 5(2):93-94. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.93
Invited Commentary
Fine-needle aspiration cytology of liver diseases 
Xiao-Long Ji 
World J Gastroenterol 5(2):95-97. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.95
Original Articles
Non-imaging-guided fine-needle aspiration of liver lesions: a retrospective study of 279 patients 
Yeouda Edoute, Ehud Malberger, Orly Tibon-Fishe, Nimer Assy 
World J Gastroenterol 5(2):98-102. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.98
Appearance of an inhibitory cell nuclear antigen in rat and human serum during variable degrees of hepatic regenerative activity 
N Assy, YW Gong, M Zhang, GY Minuk 
World J Gastroenterol 5(2):103-106. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.103
A comparison between previous and present histologic assessments of chronic hepatitis C viral infections in humans 
N Assy, GY Minuk 
World J Gastroenterol 5(2):107-110. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.107
Relationship between expression of α-fetoprotein messenger RNA and some clinical parameters of human hepatocellular carcinoma 
Ping He, Zhao-You Tang, Sheng-Long Ye, Bin-Bin Liu 
World J Gastroenterol 5(2):111-115. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.111
Study of angiogenesis induced by metastatic and non-metastatic liver cancerby corneal micropocket model in nude mice 
Hui-Chuan Sun, Xiao-Ming Li, Qiong Xue, Jun Chen, Dong-Mei Gao, Zhao-You Tang 
World J Gastroenterol 5(2):116-118. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.116
Gene expression of hepatocyte growth factor and its receptor in HCC and nontumorous liver tissues 
Yun-Quan Luo, Meng-Chao Wu, Wen-Ming Cong 
World J Gastroenterol 5(2):119-121. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.119
Long-term effectiveness of infancy low-dose hepatitis B vaccine immunization in Zhuang minority area in China 
Hui Li, Rong-Cheng Li, Su-Su Liao, Jian Gong, Xian-Jia Zeng, Yan-Ping Li 
World J Gastroenterol 5(2):122-124. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.122
Cloning of the non-structural gene 3 of hepatitis C virus and its inducible expression in cultured cells 
Shu-Zhong Zhang, Jia-Jing Liang, Zhong-Tian Qi, Yi-Ping Hu 
World J Gastroenterol 5(2):125-127. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.125
Surgical resection for hepatoportal bile duct cancer 
Xiao-Shun He, Jie-Fu Huang, Li-Jian Liang, Ming-De Lu, Xiu-Hu Cao 
World J Gastroenterol 5(2):128-131. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.128
Evaluation of dot immunogold filtration assay for anti-HAV IgM antibody 
Wei Wu, De-Zhong Xu, Yong-Ping Yan, Jing-Xia Zhang, Ying Liu, Ru-Lin Li 
World J Gastroenterol 5(2):132-134. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.132
Experimental study of bioartificial liver with cultured human liver cells 
Ying-Jie Wang, Meng-Dong Li, Yu-Ming Wang, Qing-He Nie, Guo-Zheng Chen 
World J Gastroenterol 5(2):135-137. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.135
Chemoprevention of 2-amino-1-methyl-6-phenyli-midazo [4, 5-b] pyridine-induced carcinogen-DNA adducts by Chinese cabbage in rats 
Wen Tan, Dong-Xin Lin, Ying Xiao, Kadlubar Ff, Jun-Shi Chen 
World J Gastroenterol 5(2):138-142. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.138
Glutamine: a precursor of glutathione and its effect on liver 
Jian-Chun Yu, Zhu-Ming Jiang, De-Min Li 
World J Gastroenterol 5(2):143-146. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.143
Expression of B7 costimulation molecules by colorectal cancer cells reducestumorigenicity and induces anti-tumor immunity 
Jin-Yue Hu, Sa Wang, Jian-Gao Zhu, Guo-Hua Zhou, Qu-Bing Sun 
World J Gastroenterol 5(2):147-151. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.147
Study of differential polymerase chain reaction of C-erbB-2 oncogene amplification in gastric cancer 
Feng Ji, Qing-Bi Peng Jing-Biao Zhan, You-Ming Li 
World J Gastroenterol 5(2):152-155. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.152
Gastroduodenal ulcer treated by pylorus and pyloric vagus-preservinggastrectomy 
Yun-Fu Lu, Xin-Xin Zhang, Ge Zhao, Qing-Hua Zhu 
World J Gastroenterol 5(2):156-159. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.156
Review
Expression of proliferating cell nuclear antigen in polyps from large intestine 
Yu-Qin Luo, Lian-Sheng Ma, Yi-Ling Zhao, Kai-Chun Wu, Bo-Rong Pan, Xue-Yong Zhang 
World J Gastroenterol 5(2):160-164. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.160
Brief Reports
Long-term efficacy of plasma-derived hepatitis B vaccine among Chinese children: a 12-year follow-up study 
Su-Su Liao, Rong-Cheng Li, Hui Li, Jin-Ye Yang, Xian-Jia Zeng, Jian Gong, Shu-Sheng Wang, Yan-Ping Li, Kong-Lai Zhang 
World J Gastroenterol 5(2):165-166. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.165
HBeAg gene expression with baculovirus vector in silk worm cells 
Xiao-Zhao Deng, Zhen-Yu Diao, Liang He, Ren-Liang Qiao, Lin-Yuan Zhang 
World J Gastroenterol 5(2):167-171. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.167
Establishment of a pig model of combined pancreas-kidney transplantation 
Ze-Kuan Xu, Xun-Liang Liu, Wei Zhang, Yi Miao, Jing-Hui Du 
World J Gastroenterol 5(2):172-174. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.172
Detection of human liver-specific F antigen in serum and its preliminary application 
Tao Feng, Zhao-Chun Zeng, Lan Zhou, Wen-Yuan Chen, Yu-Ping Zuo 
World J Gastroenterol 5(2):175-176. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.175
Vagus effect on pylorus-preserving gastrectomy 
Yun-Fu Lu, Ge Zhao, Cui-Ying Guo, Shou-Ren Jia, Yi-Ding Hou 
World J Gastroenterol 5(2):177-178. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.177
Activation of killer cells with soluble gastric cancer antigen combined with anti-CD3 McAb 
Qiang Chen, Yun-Bin Ye, Zeng Chen 
World J Gastroenterol 5(2):179-180. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.179
Clinical significance of changes of perioperative T cell and expression of its activatedantigen in colorectal cancer patients 
Yi-Xing Wang, Can-Ping Ruan, Li Li, Jing-Hua Shi, Xian-Tao Kong 
World J Gastroenterol 5(2):181-182. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.181
Role of intracellular calcium in contraction of internal anal sphincter 
Wei-Xin Niu, Xin-Yu Qin, Ying-Qing Lu, Nian-Ci Shi, Cheng-Pei Wang 
World J Gastroenterol 5(2):183-184. Published online Apr 15, 1999. doi: 10.3748/wjg.v5.i2.183