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Heinrich, Henriette, Iago Rodríguez‐Lago, Radislav Nakov, Vita Skuja, Pilar Acedo, Ulrich Nitsche, Ivana Mikolašević, et al. "Young GI Societies in Europe: 2019 update." United European Gastroenterology Journal 8, br. 2 (2020): 227-232. https://doi.org/10.1177/2050640620906771
Heinrich, H., et al. (2020) 'Young GI Societies in Europe: 2019 update', United European Gastroenterology Journal, 8(2), str. 227-232. doi: 10.1177/2050640620906771
Heinrich H, Rodríguez‐Lago I, Nakov R, Skuja V, Acedo P, Nitsche U, i sur.. Young GI Societies in Europe: 2019 update. United European Gastroenterology Journal [Internet]. 03.2020. [pristupljeno 04.12.2024.];8(2):227-232. doi: 10.1177/2050640620906771
H. Heinrich, et al., "Young GI Societies in Europe: 2019 update", United European Gastroenterology Journal, vol. 8, br. 2, str. 227-232, Ožujak 2020. [Online]. Dostupno na: https://urn.nsk.hr/urn:nbn:hr:184:150005. [Citirano: 04.12.2024.]