- Skarda J. Bioassay of steroid hormone agonist and antagonist activities of anti-androgens on mammary gland, seminal vesicles and spleen of male mice. J Vet Med A Physiol Pathol Clin Med. 2003;50:204-12 pubmed..These results demonstrated that anti-androgenic activities could be detected not only on seminal vesicle but also on the mammary gland. Our model system also detected a glucocorticoid activity of CA and progestational activity of CMA. ..