GeneIR interface from University of Wisconsin. Screenshot showing the two search boxes. Results are presented as a table. Links are provided to view the genes highlighted in the article, add or delete a gene and download the gene list. List of genes can be sorted by centrality (default), presence in title and abstract, or the frequency with which they appear in the article.
Arighi et al. BMC Bioinformatics 2011 12(Suppl 8):S4 doi:10.1186/1471-2105-12-S8-S4