Wang LD, Zhou Q, Gao SS, Li YX, Yang WC. Measurements of cell proliferation in esophageal and gastric cardia epithelia of subjects in a high incidence area for esophageal cancer. World J Gastroenterol 1996; 2(2): 82-85 [DOI: 10.3748/wjg.v2.i2.82]
Ji-Lin Li, Zong-Min Fan, Hua-Qin Guo, She-Gan Gao, Mei Guo, Li-Dong Wang, Hong Chen. Alterations of p53 and PCNA in cancer and adjacent tissues from concurrent carcinomas of the esophagus and gastric cardia in the same patient in Linzhou, a high incidence area for esophageal cancer in northern China. World Journal of Gastroenterology 2003; 9(1): 16-21doi: 10.3748/wjg.v9.i1.16