الوصول الحر: https://doaj.org/article/bd2618ca21354bb4abf693465dff2558Test
الوصول الحر: https://doaj.org/article/2548a3dff22d4a3c9a7a40c399c69926Test
الوصول الحر: https://doaj.org/article/813200e77ae54f87aeb43f7134cdecbdTest
الوصول الحر: https://doaj.org/article/6cabb41b0929499bb5fe63e25c69c47aTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b1857b17dfa0bc85b4eeb1a21dd0932Testhttp://europepmc.org/articles/PMC5827803Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9dcfddf5be4fa8f8f103670782b95e3eTesthttps://pubmed.ncbi.nlm.nih.gov/29977710Test