Goro Eguchi, Yukiko Eguchi, Kenta Nakamura, Manisha C. Yadav, José Luis Millán & Panagiotis A. Tsonis: Regenerative capacity in newts is not altered by repeated regeneration and ageing. Nature Communications 2, article number: 384, doi:10.1038/ncomms1389, 12. Juli 2011.
