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Figure 1 Number of heterophyid metacercariae/g tissue of different body parts of Tilapia nilotica from a natural habitat (a ) and a man-made reservoir (b) and Mugil cephalus from a natural habitat (c) and a manmade reservoir (d). *Significant difference compared with the head, °significant difference compared with the gill, •significant difference compared with the trunk, ◊significant difference compared with the viscera, ¶significant difference compared with the tail. |
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