Figure 3. Number of PubMed Articles Between 2000 and 2015 for nine model organisms and humans for seven consensual cell-cell signaling pathways in early development.
Rats, mouse, and rabbits―the three conventional models in teratology―share the last common ancestor with humans approximately 90 million years ago (TimeTree knowledgebase; Hedges et al. 2006, 2015). Citations of all 209,241 articles are provided in Supplementary Material, Excel Workbook S1.