The graph shows the changes in the g-index of National Institutes of Health and its the corresponding percentile for the sake of comparison with the entire literature. G-index is a scientometric index similar to h-index but put a more weight on the sum of citations. G-index of a journal is g if the journal has published at least g papers with total citations of g2.The graph shows the number of articles contributing to the current g-index of National Institutes of Health.
