H. pylori y úlceras pépticas [electronic resource] = H. pylori and peptic ulcers
Additional Titles:
H. pylori and peptic ulcers
Published:
Bethesda, MD : U.S. Dept. of Health and Human Services, National Institutes of Health, National Institute of Diabetes and Digestive and Kidney Diseases, National Digestive Diseases Information Clearinghouse, [2010]