Figure 5. Johnsen scoring of control and experimental groups. *p<0.01, †p<0.01; * and † symbols respectively indicate comparison to the control and NTiO2-intoxicated groups.
Figure 5. Johnsen scoring of control and experimental groups. *p<0.01, †p<0.01; * and † symbols respectively indicate comparison to the control and NTiO2-intoxicated groups.