الوصول الحر: https://doaj.org/article/ea9994d352e84b3cb4a884f40a7d4d88Test
الإتاحة: https://doi.org/10.1136/bmjopen-2023-076538Testhttps://hdl.handle.net/11585/958268Test
الإتاحة: https://doi.org/10.1093/bjs/znae042Testhttps://hdl.handle.net/11591/522719Test