Review Article
The PD-1:PD-L1 immune inhibitory checkpoint in Helicobacter pylori infection and gastric cancer: a comprehensive review and future perspectives
a Faculty of Medicine, University of Porto, Porto, Portugal
b São João Hospital Center, Faculty of Medicine, University of Porto, Porto, Portugal
c Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
d Institute of Molecular Pathology and Immunology (Ipatimup), University of Porto, Porto, Portugal
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