الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a4f803f3cd8976e73d533d8b1885ead5Testhttps://serval.unil.ch/notice/serval:BIB_8BED7E41CA16Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aa1cbf2a3776a631ccda6d1dc1a90b42Testhttp://europepmc.org/articles/PMC8578045Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::52b0393a5555874a5526c491b8421dfdTesthttps://escholarship.org/uc/item/2hg8h2x9Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc5e84bfe19b52d5e0324b299615b0e1Testhttps://pubmed.ncbi.nlm.nih.gov/34693236Test