Li, W.- wen et al. 2021. 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. 37, 7 (Oct. 2021). DOI:https://doi.org/10.12669/pjms.37.7.4347.