The thymus shows slight atrophy in three male and five female animals of the high dose group of 2500 μg / kg COMPOUND_XXX .
The thymus shows slight atrophy in three male and five female animals of the high dose group of 2500 μg / kg COMPOUND_XXX .
O B-SPECIMEN O B-FINDING I-FINDING O O B-SEX O O O O O O B-GROUP I-GROUP I-GROUP O B-DOSE I-DOSE I-DOSE I-DOSE O O