الوصول الحر: http://kipublications.ki.se/Default.aspx?queryparsed=id:158255991Test
الإتاحة: https://doi.org/10.1016/j.annonc.2020.08.085Testhttps://api.elsevier.com/content/article/PII:S092375342040081X?httpAccept=text/xmlTesthttps://api.elsevier.com/content/article/PII:S092375342040081X?httpAccept=text/plainTest