الإتاحة: https://doi.org/10.1080/09674845.2009.11730263Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::636d698af1b47a97a731f95f07f34643Testhttps://research.vumc.nl/en/publications/2861160e-e674-487b-9bee-297c559366d9Test
الإتاحة: https://doi.org/10.1006/expr.2000.4585Testhttps://api.elsevier.com/content/article/PII:S0014489400945855?httpAccept=text/xmlTesthttps://api.elsevier.com/content/article/PII:S0014489400945855?httpAccept=text/plainTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::77b32629f3d6ed58450559da1313f86eTesthttps://pubmed.ncbi.nlm.nih.gov/11281704Test
الإتاحة: https://doi.org/10.1093/infdis/97.3.251Testhttp://academic.oup.com/jid/article-pdf/97/3/251/2679481/97-3-251.pdfTest
الإتاحة: https://doi.org/10.1093/infdis/101.1.48Testhttp://academic.oup.com/jid/article-pdf/101/1/48/2660754/101-1-48.pdfTest
الإتاحة: https://doi.org/10.1093/infdis/91.1.50Testhttp://academic.oup.com/jid/article-pdf/91/1/50/2418319/91-1-50.pdfTest
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