Li, Wen-wen, et al. “Clinical Efficacy of Immunotherapy Combined With Chemotherapy in Patients With Advanced Gastric Cancer, Its Effect on Nutritional Status and Changes of Peripheral Blood T Lymphocyte Subsets: Treatment on Patients With Advanced Gastric Cancer”. Pakistan Journal of Medical Sciences, vol. 37, no. 7, Oct. 2021, doi:10.12669/pjms.37.7.4347.