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edit] Description: English: Simplified scheme of the life cycle of the fish parasite Ichthyophthirius multifiliis. Date: 29 May 2014, 00:29:23. Source:
doi:10.3389/fenvs.2014.00018. Author: Peter R. Richter, Sebastian M. Strauch, Azizullah Azizullah and Donat-P. Häder.