Sources | Experimental groups | ||||||
---|---|---|---|---|---|---|---|
I | II | III | IV | V | VI | VII | |
DW | Ok | No | Ok | No | Ok | No | Ok |
NaF (g/L) | No | 0.15Â ga | No | No | No | 0.15Â ga | No |
AlCl3 (g/L) | No | No | No | 0.5Â ga | No | 0.5Â ga | No |
Sample size(n1) | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
Sample size(n2) | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Sampling time | 70Â days post-administration |