9.3(top 2%)
impact factor
156.9K(top 0.1%)
papers
18.6M(top 0.1%)
citations
1.0K(top 0.1%)
h-index
9.5(top 2%)
extended IF
161.9K
all documents
19.8M
doc citations
1.6K(top 0.1%)
g-index
article-citations
The number of publications of Proceedings of the National Academy of Sciences of the United States of America per year and the number of citations of papers published in the same year. Note that this is not the total number of citations the journal received in year x, but the number of citations papers published in year x received in the subsequent years.