Proceedings of the Royal Society B Biological Sciences (2007) - Comments
pubmed: 17456457  doi: 10.1098/rspb.2007.0176  issn: 0962-8452  issn: 1471-2954 

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Courtney Nichols, Jerry Herman, Oscar E Gaggiotti, Keith M Dobney, Kim Parsons, A. Rus Hoelzel