الإتاحة: https://doi.org/10.1186/s13054-018-2158-yTesthttp://hdl.handle.net/10447/360178Test
الإتاحة: https://doi.org/10.1164/rccm.201606-1306OCTesthttp://hdl.handle.net/10447/274729Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96954389f3918ce9ccce0102c6345a54Testhttps://doi.org/10.1097/ccm.0000000000003519Test
الإتاحة: https://doi.org/10.1097/CCM.0000000000003519Testhttp://hdl.handle.net/11571/1257366Test