Dlouhá, M: Comparative morphology of two subspecies of Paradiplozoon homoion homoion (Bychowsky et Nagibina, 1959) and Paradiplozoon homoion gracile (Reichenbach-Klinke, 1961) : Proceedings of the Fourth Czech and Slovak Helminthological Days held at Dolní Věstonice (Czech Republic) May 9-12, 1995. Abstract