الإتاحة: https://doi.org/10.1186/s12884-023-06203-2Test
الإتاحة: https://doi.org/10.1177/15248380231155528Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::c496acdae69430f3ec2f1ab7d24d1990Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::5b987b87a369a8ab60d0610516a8b2bdTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::cc78ea7e8c97b15bee08c9fb97a68639Test