Figure 7

The influence of pH values (a), concentration of F ions (b) and Mg ions (c) to cell viability. Viability of cells incubated for 1 d (d) and 4 d (e) with different concentration extract of all samples.
The influence of pH values (a), concentration of F ions (b) and Mg ions (c) to cell viability. Viability of cells incubated for 1 d (d) and 4 d (e) with different concentration extract of all samples.