الوصول الحر: https://escholarship.org/uc/item/3b33g9tpTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ecd4cf803d0b978c1788595e98a26334Testhttps://pubmed.ncbi.nlm.nih.gov/31575352Test