Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Masuda, H. Difference in symptomatology between gastric and duodenal ulcer. Gastroenterol Jpn 4, 298 (1969). https://doi.org/10.1007/BF02775814
Issue Date:
DOI: https://doi.org/10.1007/BF02775814