| http://www.w3.org/ns/prov#value | - These cercariae are discharged from the mollusc into water whence they reach the definitive host either (a) by direct penetration of the skin, as in the case of Bilharzia, (b) by encystment on plants which are edible, as in the case of the liver fluke of the sheep, or (c) by penetration and subsequent encystment in edible fishes, in crabs, or in mosquito or other insect larvae, or in other mollusc
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