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. 2021 Aug 17;12:670900. doi: 10.3389/fphar.2021.670900

TABLE 1.

Summary of the main information of collected bibliometric data about three datasets.

PD1/PDL1 molecule RCT of anti-PD1/PDL1 Meta-analysis of anti-PD1/PDL1
Documents 11,971 191 335
Timespan 2000 : 2020 2014 : 2020 2015 : 2020
Sources 1,226 45 105
Annual Percentage Growth Rate 37.77 72.12 62.98
Average citations per documents 34.27 263.20 13.88
References 185,462 3,057 6,048
Author’s Keywords 12,134 249 479
Keywords Plus 10,745 413 547