In the preputial gland , squamous cell hyperplasia and metaplasia with hyperkeratosis were observed only in individual animals .
In the preputial gland , squamous cell hyperplasia and metaplasia with hyperkeratosis were observed only in individual animals .
O O B-SPECIMEN I-SPECIMEN O O O B-FINDING I-FINDING I-FINDING O B-FINDING O O O O O O O