Dion J Whitehead*, Claus O Wilke*, David Vernazobres and Erich Bornberg-Bauer
* Corresponding authors: Dion J Whitehead dion@uni-muenster.de - Claus O Wilke cwilke@mail.utexas.edu
Biology Direct 2008, 3:18 doi:10.1186/1745-6150-3-18
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