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Software	PubMed Before	PubMed After	PubMed Central Before	PubMed Central After
IPA	1634	1634	12085	4930
Cytoscape	716	716	8108	5670
Pathway Studio	255	84	5220	339
Gephi	20	19	458	333
GraphViz	18	18	487	349
VisANT	266	16	1215	253
Neo4j	11	11	57	47
iGraph	2	2	866	698
GraphLab	2	2	10	3