الإتاحة: https://doi.org/10.1093/ofid/ofaa127Testhttps://hal.science/hal-04311755Test
الإتاحة: https://doi.org/10.1093/bja/aeh291Testhttp://bja.oxfordjournals.org/cgi/content/short/94/1/39Test
الإتاحة: https://doi.org/10.1093/bja/aeh291Testhttp://bja.oxfordjournals.org/cgi/content/short/aeh291v1Test