الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2ab57b467f9a7846f49c98768f8e314bTesthttps://pubmed.ncbi.nlm.nih.gov/2334742Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ddf9ce291b8ed21089e4a75abb60b83dTesthttps://pubmed.ncbi.nlm.nih.gov/3040118Test