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   Carlos Ernesto Ruiz-Narváez et al, 2018, Revista de la Facultad de Medicina CrossRef
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   Edith Lahner et al, 2016, Gastrointestinal Endoscopy CrossRef
3. Feasibility of olfactomedin 4 as a molecular biomarker for early diagnosis of gastric neoplasia after intestinal metaplasia
   Lixing Pang et al, 2023, Scandinavian Journal of Gastroenterology CrossRef
4. Helicobacter pylori, úlcera péptica y cáncer gástrico
   Carlos Ernesto Ruiz-Narváez et al, 2018, Revista de la Facultad de Medicina CrossRef