Analysis of PD-1/PD-L1 variations in lung cancer and association with immunotherapeutic efficacy and prognosis: A nonrandomized controlled trial Jun Ma; JianRui Song; LiNa Han; Wen Zhou; LiFeng Meng; JianHui Li; XiaoMing Bai;

Gastric adenocarcinoma and periodontal disease: A systematic review and meta-analysis Francisco José Nunes Aguiar; Fabrício dos Santos Menezes; Marcela de Araújo Fagundes; Gisele Aparecida Fernandes; Fabio de Abreu Alves; João Goncalves Filho; Maria Paula Curado;

Comprehensive exploration of immune checkpoint-related genes in the prognosis and tumor immune microenvironment of pancreatic adenocarcinoma Xiao Chen; Herui Zhang;