الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95a60af3b0c06a436b265e31e9665189Testhttps://pubmed.ncbi.nlm.nih.gov/29477840Test
الإتاحة: https://bibliographie.ub.rub.de/entry/d462ceca-e666-4e5e-ab28-ab73f0933880Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c5d3ffa53605cca4b547d7929e724391Test