الوصول الحر: https://doaj.org/article/281f698f0fd94ae2a8c396b2d1e0c11fTest
الإتاحة: https://doi.org/10.3390/ijerph18157933Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::94a4320e5a01c7f6e65168ece5a27185Testhttps://www.mdpi.com/1660-4601/18/15/7933Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::711cdfe3caa706a712d176da3e19d7e9Testhttp://link.springer.com/article/10.1186/s12889-019-7154-xTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::071c32caf67596c5996e1a2ce1220239Testhttps://doi.org/10.1186/s12889-021-10263-4Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::63e0c399cc24563eefccf3456335f73bTesthttps://pubmed.ncbi.nlm.nih.gov/33275104Test