الوصول الحر: https://doaj.org/article/da8bc8cb1a58446e870b6a5639aa6740Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c87b52b43b15f1f8c4846013b4b53906Testhttps://pubmed.ncbi.nlm.nih.gov/35385754Test