الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::587f79858e5ceb05d888b31a4529dbd2Testhttps://doi.org/10.1212/wnl.0000000000011108Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b408ec3f92c81a65378b6cc3c9fbbc0fTesthttps://doi.org/10.1212/wnl.0000000000001044Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8519e93627827a67a1c17d2569a0441dTesthttps://hdl.handle.net/10067/1221760151162165141Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37037f062868e154e2c2c3f0b1ea56f3Testhttps://pubmed.ncbi.nlm.nih.gov/9222200Test