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الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3c461cc8d7cbfa968ecd2fc84e260106Testhttps://pubmed.ncbi.nlm.nih.gov/30288603Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe3502cfedf9548424878d24ea7d53fdTesthttps://doi.org/10.1007/s007260050002Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8dce819c3e95250b287cb4e3997aeacbTesthttps://pubmed.ncbi.nlm.nih.gov/21344176Test