Table 1.
Experimental Periods and Number of Specimens
| Periods | Cont | 10 min | 20 min | 1 hr | 3 hrs | 9 hrs | 24 hrs | Total |
|---|---|---|---|---|---|---|---|---|
| Numbers | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 35 |
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