Fig. 6From: Literature information in PubChem: associations between PubChem records and scientific articlesDistribution of PMIDs per CID and CIDs per PMID for three types of Entrez links. Distributions of a PMIDs per CID and b CIDs per PMID are shown for three Entrez links between PubChem Compound and PubMed: “pccompound_pubmed”, “pccompound_pubmed_mesh”, and “pccompound_pubmed_publisher”. See texts for the description of these linksBack to article page