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. 2023 Jan 9;12:1024179. doi: 10.3389/fonc.2022.1024179

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Copyright © 2023 Liu, Yu, Liang, Cheng, Jiang, Yu, Zhang, Lu, Qu, Chen and Zhang

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) Publication and citation number of papers evaluating different therapies. The node size represents the paper number and the color represents the average citations per paper. (B) The percentage of papers evaluating different therapies each year. (C) The timeline view for co-cited references related to melanoma immunotherapy. The node size represents the citation number of the reference. The curves between the nodes indicated co-citation relationships. Yellow nodes represent new papers and red nodes represent old ones.