الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6626e385650e60f248d67c2cfa564e39Testhttps://doi.org/10.1186/s13613-016-0114-zTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c2dc39e14f37c7c85a07be4f47452d6eTesthttp://europepmc.org/articles/PMC5225389Test