الإتاحة: https://doi.org/10.1007/s13304-021-01126-zTesthttps://hdl.handle.net/11585/919111Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::9ba29fc5d80b714c9e55a55ad785a9e0Testhttps://doi.org/10.1093/ecco-jcc/jjab232.379Test
الإتاحة: https://hdl.handle.net/11587/520778Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::b52c1ff1a7511e35433bd4c638d00749Testhttps://doi.org/10.1093/ecco-jcc/jjab076.639Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13c7752ad64fb963c64c038382d31546Testhttp://hdl.handle.net/11591/470782Test