الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::be56a3561be566405fd6f03a3f6425aaTesthttps://doi.org/10.1128/jb.183.11.3531-3535.2001Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4721eec5d4fd9280a2fdea0e716b748Testhttps://doi.org/10.1086/314733Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::480c96fb2259121f4bc61b96477c2a05Testhttps://pubmed.ncbi.nlm.nih.gov/7545155Test