Graham, D. Y. (2014). History of Helicobacter pylori, duodenal ulcer, gastric ulcer and gastric cancer. Baishideng Publishing Group Co., Limited.
Stile di citazione ChicagoGraham, David Y. History of Helicobacter Pylori, Duodenal Ulcer, Gastric Ulcer and Gastric Cancer. Baishideng Publishing Group Co., Limited, 2014.
Citazione MLAGraham, David Y. History of Helicobacter Pylori, Duodenal Ulcer, Gastric Ulcer and Gastric Cancer. Baishideng Publishing Group Co., Limited, 2014.
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