الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::069b64a20e5c60dd88c6526fb702fe70Testhttps://doi.org/10.1001/jamaoncol.2020.5591Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc6e9fa902d710703c7b93b62cc66dc5Testhttps://doi.org/10.1001/jamaoncol.2019.0138Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b9f56512a1e50003bd6c835cf4b4d08cTesthttps://doi.org/10.1001/jamaoncol.2018.3676Test