الوصول الحر: https://doaj.org/article/7c7a103652a4404eac1f649798184d56Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::823d9210499ec728084765ef9240f1cbTesthttps://europepmc.org/articles/PMC9273333Test/
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f9304cc071f63f3ed34620ca42a832eeTesthttps://pubmed.ncbi.nlm.nih.gov/35292782Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::8f244531e6abf1f689b70ad78c1eb411Testhttps://doi.org/10.1016/j.cell.2021.07.020Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2b385318775439c2ff0b2cf199dea5e5Testhttps://doi.org/10.1016/j.jinf.2012.09.011Test