CitationNet makes it easy to visualize the connections between publications over time
PubMed Id Input
Example You can search CitationNet by entering a single or multiple PubMed Ids into the 'PubMed Id Input' search panel and clicking the 'Update' button. A single input will return the connections among the publications cited by the input and the publications cited by thoes publications. Multiple inputs will return the connections among the inputs and the publications cited by the inputs. The search can be slow for large networks and take up to a couple minutes to complete. The results table can be downloaded with the 'Download' button.