Domestication and diversification: a comparative analysis of the play fighting of the Brown Norway, Sprague-Dawley, and Wistar laboratory strains of (Rattus norvegicus)
Journal of Comparative Psychology (2014) - Comment
pubmed: 24749500  doi: 10.1037/a0036104  issn: 1939-2087  issn: 0735-7036 

Stephanie M. Himmler, Klaudia Modlinska, Rafal Stryjek, Brett T. Himmler, Wojciech Pisula, Sergio M. Pellis