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NCCN: https://www.nccn.org/covid-19/default.aspx
ASCO: https://www.asco.org/asco-coronavirus-information
ESMO: https://www.esmo.org/covid-19-and-cancer
NCI: https://www.cancer.gov/research/key-initiatives/covid-19
UICC: https://www.uicc.org/resources/access-all-resources/cancer-and-coronavirus-resource
PUBMED: https://pubmed.ncbi.
PUBMED : https://pubmed.ncbi.nlm.nih.gov/33773529/
APJCC : http://www.waocp.com/journal/index.php/apjcc/article/view/510