TY - JOUR T1 - Prognostic Role of Pre-Treatment Carcinoembryonic Antigen and Carbonhydrate Antigen 19-9 in Metastatic Colorectal Cancer Y1 - 2021 PY - 2021 DA - 2021 N1 - doi:2021.77417 T2 - EURASIAN JOURNAL OF MEDICIAL INVESTIGATION JF - EURASIAN JOURNAL OF MEDICIAL INVESTIGATION JO - EJMI SP - 73 EP - 80 VL - 5 IS - 1 SN - M3 - doi:2021.77417 UR - https://dx.doi.org/10.14744/ejmi.2021.77417 Y2 - 2021 ER -