1. Agrawal AF, Lively CM (2001) Parasites and the evolution of self-fertilization. Evolution 55:869–879
2. Charbonnel N, Angers B, Rasatavonjizay R, Bremond P, Jarne P (2002) Evolutionary aspects of the metapopulation dynamics of Biomphalaria pfeifferi, the intermediate host for Schistosoma mansoni. J Evol Biol 15:248–261
3. Coltman DW, Pilkington JG, Smith JA, Pemberton JM (1999) Parasite-mediated selection against inbred soay sheep in a free-living island population. Evolution 53:1259–1267
4. Connors VA (2003) The schistosome–snail interaction: factors involved in host immunodefense activation and parasite killing in susceptible and resistant Biomphalaria glabrata. In: Combes C, Jourdane (eds) Taxonomie, écologie et évolution des métazoaires parasites. Taxonomy, ecology and evolution of metazoan parasites. Livre hommage à Louis Euzet. PUP, Perpignan, France
5. Ebert D, Haag C, Kirkpatrick M, Riek M, Hottinger JW, Pajunen VI (2002) A selective advantage to immigrant genes in a Daphnia metapopulation. Science 295:485–488