Two new species of Hartmannella amebae infecting freshwater mollusks.
D000818:Animals; D003140:Communicable Disease Control; D004197:Disease Reservoirs; D004463:Ecology; D056890:Eukaryota / Q000145:classification* / Q000166:cytology; D012552:Schistosomiasis / Q000517:prevention & control; D012908:Snails