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Co-occurrence map of (A) nations/regions and (B) organizations in immunotherapy-TME studies. 4The size of nodal points denotes co-occurrence frequency, and the links co-occurrence associations. The colors of node points and lines denote years, where colors vary from purple to red for years between 1999 and 2022. Round purple nodal points denote high betweenness centrality (≥ 0.10).
