Gooren L (October 1989). "Androgens and estrogens in their negative feedback action in the hypothalamo-pituitary-testis axis: site of action and evidence of their interaction". Journal of Steroid Biochemistry. 33 (4B): 757–61. doi:10.1016/0022-4731(89)90488-3. PMID2689784.
Gooren L (October 1989). "Androgens and estrogens in their negative feedback action in the hypothalamo-pituitary-testis axis: site of action and evidence of their interaction". Journal of Steroid Biochemistry. 33 (4B): 757–61. doi:10.1016/0022-4731(89)90488-3. PMID2689784.