19.4(top 1%)
Impact Factor
1468(top 1%)
H-Index
2340(top 1%)
G-Index
52,702
authors
373,153
papers
18,242,179
citations
34,866
citing journals
1,228,250
citing authors
Selected Period:
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Impact Factor of  based on the number of citations over 2-year window
The graph shows the changes in the impact factor of and its the corresponding percentile for the sake of comparison with the entire literature. Impact Factor is the most common scientometric index, which is defined by the number of citations of papers in two preceding years divided by the number of papers published in those years.