الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::09168cabf6f4ec19dda06d3299a8ddbbTesthttps://doi.org/10.1136/gutjnl-2018-bsgabstracts.187Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d1f08b507c35a95eec36421b45269316Testhttps://doi.org/10.1136/bmjgast-2019-000309Test