TI - Prognostic Role of Pre-Treatment Carcinoembryonic Antigen and Carbonhydrate Antigen 19-9 in Metastatic Colorectal Cancer PT - Journal Article DP - 2021 TA - EJMI PG - 73-80 VI - 5 IP - 1 AID - 2021.77417 [doi] 4100 - https://dx.doi.org/10.14744/ejmi.2021.77417 SO - EURASIAN JOURNAL OF MEDICIAL INVESTIGATION,2021 5(1): 73