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Spermiogenesis and spermatozoon ultrastructure of the diphyllidean cestode Echinobothrium euterpes (Neifar, Tyler and Euzet 2001) Tyler 2006, a parasite of the common guitarfish Rhinobatos rhinobatos. Parasitology Research, 109(3), 809–821
DOI: 10.1007/s00436-011-2327-2SEP2011SEP2011