Table 3.
Detection of ascarid eggs in soil parks of Tehran by floatation & Petri dish methods in 2008
| Floatation | |||
|---|---|---|---|
| Petri dish | + | - | Total |
| + | 2 | 3 | 5 |
| - | 17 | 98 | 115 |
| Total | 19 | 101 | 120 |
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