Copyright
©The Author(s) 2000. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Gastroenterol. Apr 15, 2000; 6(2): 278-280
Published online Apr 15, 2000. doi: 10.3748/wjg.v6.i2.278
Published online Apr 15, 2000. doi: 10.3748/wjg.v6.i2.278
A preliminary study on ras protein expression in human esophageal cancer and precancerous lesions
Jian Li, Chang Wei Feng, Zhi Guo Zhao, Department of Gastroenterology, the 2nd Affiliated Hospital of Henan Medical University, Zhengzhou 450003, Henan Province, China;
Qi Zhou, Li Dong Wang Laboratory for Cancer Research, Henan Medical University, Zhengzhou 450052, Henan Province, China;
Jian Li, male, postgraduate of digestive medicine from Henan Medical University in 1997, having 10 papers published.
Author contributions: All authors contributed equally to the work.
Supported by the National Natural Science Foundation of China, No. 39840012
Correspondence to: Dr. Jian Li, Department of Gastroenterology, the 2nd Affiliated Hospital of Henan Medical University, Zhengzhou 450003, Henan Province, China
Telephone: 0086-371-3939084
Received: April 15, 1999
Revised: June 6, 1999
Accepted: June 13, 1999
Published online: April 15, 2000
Revised: June 6, 1999
Accepted: June 13, 1999
Published online: April 15, 2000
Abstract