Lizard to Snake; Behind the Evolution of an Extreme Body Plan". Current Genomics 13 (4): 289–299. DOI:10.2174/138920212800793302. English Mouseembryo 12 day
2174/138920212800793302. English Shows the production of somites at the PSM due to differential 'clock oscillations' between Mice andSnakes determination method: SHA-1