الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9bb4e8077d58c5414fe73db2ba434859Testhttps://doi.org/10.1212/wnl.0000000000013276Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=pmid________::fc8b88f78f8bfaa82c69fc31cda08c37Testhttps://pubmed.ncbi.nlm.nih.gov/35110381Test