الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec3833bc225d20e2bb2dc86c942d5924Testhttps://pubmed.ncbi.nlm.nih.gov/9723885Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cae87e32bfa7bb707cd5cb1d4a1a1f88Testhttps://pubmed.ncbi.nlm.nih.gov/9027321Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb7cf1db3cad33c1caa7e02c3c20083bTesthttps://pubmed.ncbi.nlm.nih.gov/2340950Test