Open Access
Issue
Parasite
Volume 18, Number 1, February 2011
Page(s) 93 - 111
DOI http://dx.doi.org/10.1051/parasite/2011181093
Published online 15 February 2011

© PRINCEPS Editions, Paris, 2011

Licence Creative Commons
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.