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. 2021 Jul 12;6:689059. doi: 10.3389/frma.2021.689059

TABLE 3.

Top five most mentioned chemicals in PubMed records and the number of their chemical, gene/protein, and disease neighbors.

CID Chemical name # PubMed records # Chemical neighbors (non-redundant) # Gene/protein neighbors # Disease neighbors
962 Water 823,657 47,183 15,934 4,538
5793 D-glucose 452,960 23,945 16,959 4.303
977 Oxygen 376,484 27,511 12,300 4,037
702 Ethanol 342,100 29,050 11,464 4,172
5460341 Calcium 324,490 17,402 13,408 4,258