الإتاحة: https://doi.org/10.1371/journal.pmed.1001809Testhttp://hdl.handle.net/11573/1092179Testhttp://medicine.plosjournals.org/perlserv/?request=index-html&issn=1549-1676Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::033056fd6b73001e0c038c04a7c35789Testhttps://doi.org/10.1093/jac/dku426Test