الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a5669d65cf3dfb38c3cff5f8e20b7dedTesthttps://pubmed.ncbi.nlm.nih.gov/3126737Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c46f164170981e9a73cc29b88622bbe1Testhttps://pubmed.ncbi.nlm.nih.gov/3743649Test