TI - Novel Prognostic Factors in Tumors of the Ampulla of Vater: The Lymph Node Ratio and Hemoglobin Albumin Lymphocyte Platelet (HALP) Score PT - Journal Article DP - 2023 TA - EJMI PG - 224-230 VI - 7 IP - 3 AID - 2023.14882 [doi] 4100 - https://dx.doi.org/10.14744/ejmi.2023.14882 SO - EURASIAN JOURNAL OF MEDICIAL INVESTIGATION,2023 7(3): 224