الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ad0b925eef389ee278b49cac7dc7ad0Testhttps://doi.org/10.1016/0304-4165Test(81)90007-6
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cbb3d1d32cf246940c91647e9d840220Testhttps://doi.org/10.1016/0003-9861Test(82)90504-5
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___::5036a22588df243803779a6b2a5e944fTesthttps://pubmed.ncbi.nlm.nih.gov/7308488Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f844900be2290b6389d63f36f8f12687Testhttps://pubmed.ncbi.nlm.nih.gov/7388042Test