الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::9624fa1d4e25adfc6242a1f9d0036ee2Testhttps://doi.org/10.2147/dnnd.s168353Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::51fb25daf8f298885aabda8c7160434dTesthttps://doi.org/10.1080/13548506.2015.1115110Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2a58ea3df371041a45cec67ab51be894Testhttps://doi.org/10.3109/21678421.2015.1083585Test