On day 12 the application sites had to be changed in individual control , mid - and high - dose animals .
On day 12 the application sites had to be changed in individual control , mid - and high - dose animals .
O O O O O O O O O O O O B-DOSE_QUALIFICATION I-DOSE_QUALIFICATION I-DOSE_QUALIFICATION I-DOSE_QUALIFICATION I-DOSE_QUALIFICATION I-DOSE_QUALIFICATION I-DOSE_QUALIFICATION I-DOSE_QUALIFICATION O O