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. 2022 May 19;13:859972. doi: 10.3389/fimmu.2022.859972

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Copyright © 2022 Shao, Qin, Ren, Peng, Qin, Wang, Wang, Li, Zhu, Sun, Zhang, Li and Wang

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Visual analysis of references bursts. The intensity value reflects the cited frequency. The red bar indicates citation frequency; green bars indicate fewer citations.