الوصول الحر: https://doaj.org/article/404627f0588842359e2ffef0a0ecda6fTest
الوصول الحر: https://doaj.org/article/d3ee093871364c6b8e22b1c9e34e26f7Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea1fc3a332746de2afe74ac3a21c75dfTesthttps://pubmed.ncbi.nlm.nih.gov/35621108Test