The role of parasitism in adaptive radiations - when might parasites promote and when might they constrain ecological speciation?

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Karvonen, A., & Seehausen, O. (2012). The role of parasitism in adaptive radiations - when might parasites promote and when might they constrain ecological speciation? International Journal of Ecology, 2012, 1-20. https://doi.org/10.1155/2012/280169