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APA Citation
Watt, P. C., Sloan, J. M., Donaldson, J., Campbell, G., & Kennedy, T. L. (1984). relation between gastric histology and gastric juice pH and nitrite and N-nitroso compound concentrations in the stomach after surgery for duodenal ulcer.. Journal of clinical pathology, 37(5), 511–515. http://access.bl.uk/ark:/81055/vdc_100135148248.0x000036