Cite
APA Citation
Hsu, P. I., Lin, X. Z., Chan, S. H., Lin, C. Y., Chang, T. T., Shin, J. S., Hsu, L. Y., Yang, C. C., & Chen, K. W. (1994). bleeding peptic ulcer--risk factors for rebleeding and sequential changes in endoscopic findings.. Gut, 35(6), 746–749. http://access.bl.uk/ark:/81055/vdc_100135149629.0x000044