الوصول الحر: https://doaj.org/article/eb08e460b01c4bb8abb949f409572a8eTest
الوصول الحر: https://doaj.org/article/1890a60e9d6b465dbcdff35a160d6108Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a70ebc689e0f16b283aecb96d8d51d1Testhttps://doi.org/10.1016/j.radcr.2020.12.006Test
الإتاحة: http://repositorio.ufla.br/jspui/handle/1/57699Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::31ad2c19acfa686974538b9df643a302Testhttps://doi.org/10.4103/1817-1745.193360Test