الوصول الحر: https://escholarship.org/uc/item/61h336z6Test
الإتاحة: https://doi.org/10.3390/ijms23126587Test
الوصول الحر: https://gup.ub.gu.se/publication/333770Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d14cee82201483e806e223697fbea2f9Test