URL الوصول: https://doaj.org/article/317830446a844844b02d580296f9c5c8
URL الوصول: https://doaj.org/article/6a387d376c064619b96ca51d504d21dd
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7ce520eb57cdb6f549009ef8959c2838https://pubmed.ncbi.nlm.nih.gov/33549938
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6641e8215a22e600c7fc7407c69c3003https://pubmed.ncbi.nlm.nih.gov/33224634
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b6c5f164c9ab54748ae0f30244c3db82https://doi.org/10.1177/2164956120973983