Abstracts
Copyright ©The Author(s) 1998. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Gastroenterol. Oct 15, 1998; 4(Suppl2): 66-66
Published online Oct 15, 1998. doi: 10.3748/wjg.v4.iSuppl2.66
Double blind randomized control trial of occult blood bead test and gastroscopy-pathology screening for upper digestive tract cancer
De-Xing Qin, Guo-Qing Wang, Zu-Yu Wang
De-Xing Qin, Guo-Qing Wang, Zu-Yu Wang, Department of Cancer Prevention and Detection and Endoscopy, Cancer Institute (Hospital), Chinese Academy of Medical Sciences, Beijing 100021, China
Author contributions: All authors contributed equally to the work.
Correspondence to: Dr. De-Xing Qin, Department of Cancer Prevention and Detection and Endoscopy, Cancer Institute (Hospital), Chinese Academy of Medical Sciences, P.O.Box. 2257, Beijing 100021, China
Received: June 15, 1998
Revised: July 20, 1998
Accepted: August 18, 1998
Published online: October 15, 1998
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