RT Journal Article ID 4442c43802639d46 T1 Some Aspects of Interaction of Unio tumidus and Unio pictorum (Bivalvia, Unionidae) Populations with their Parasites and Commensals JF Hydrobiological Journal JO HYD YR 1999 FD 1999-08-01 VO 35 IS 4 SP 119 OP 122 AB The effects of Unionidae bottom settlement composition on the indices of invasion by Aspidogastrea and Ciliata have been studied. Some peculiarities of functioning of the "parasite-host" system, provided that the strict host-specificity of parasite is absent, are shown. PB Begell House LK https://www.dl.begellhouse.com/journals/38cb2223012b73f2,2835d90706780877,4442c43802639d46.html