الإتاحة: https://doi.org/10.1016/j.lungcan.2020.12.011Testhttps://api.elsevier.com/content/article/PII:S0169500220307285?httpAccept=text/xmlTesthttps://api.elsevier.com/content/article/PII:S0169500220307285?httpAccept=text/plainTest
الإتاحة: http://hdl.handle.net/10467/63548Test