الإتاحة: https://doi.org/10.1016/j.jamda.2020.02.013Testhttps://hdl.handle.net/11572/400400Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=pmid________::3511296d589017db3557a3533147d0d2Testhttps://pubmed.ncbi.nlm.nih.gov/31894551Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::8f84cae78d9f07f1a8c47547545f759fTesthttps://doi.org/10.1007/978-3-030-33330-0_11Test