Expression of PD-1 in Tumor Cells is Associated with Shorter Survival in Non-metastatic Intestinal-type Gastric Adenocarcinoma - Namvar, Niloofar; Montazer, Mehdi; Ahmadvand, Simin; Sadeghian, Bahare; Ghaderi, Abbas (Iranian Journal of Allergy, Asthma and Immunology, 2022)