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| Time (h) | Control (Number of cells analysed) | EW (Number of cells analysed) |
|---|---|---|
| 24 | 40 | 40 |
| 48 | 40 | 40 |
| 72 | 214 | 290 |
The random extraction of 40 cells in the cases 72 (A and B) hours shows a significance compared to the total number cells, so we can select only 40 cells in the cases 24 (A and B) and 48 (A and B) hours.
