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Table 5 Top ten most commonly mentioned species in MEDLINE.

From: LINNAEUS: A species name identification system for biomedical literature

Species

Mentions

Ratio of all mentions

Ratio of all documents

Human

4,801,489

0.4743

0.4840

Rat

831,552

0.0821

0.0838

Mouse

655,695

0.0647

0.0661

Cow

186,091

0.0183

0.0187

Rabbit

162,487

0.0160

0.0163

Escherichia coli

144,077

0.0142

0.0145

HIV

117,441

0.0116

0.0118

Dog

112,366

0.0111

0.0113

Baker's yeast

112,254

0.0110

0.0113

Chicken

75,440

0.0074

0.0076

  1. Mentions are calculated on a document level in MEDLINE relative to the total number of document-level mentions (n = 10,122,214) and the total number of documents (n = 9,919,312)