Anderson et al. “Feedback regulation of growth hormone synthesis and secretion in fish
and the emerging concept of intrapituitary feedback loop.” PubMed Science Direct.
Copyright 2005.
<http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6VNH4J0NYBW-
4&_coverDate=01%2F09%2F2006&_alid=393825046&_rdoc=1&_fmt=&_orig=s
earch&_qd=1&_cdi=6179&_sort=d&view=c&_acct=C000007678&_v
ersion=1&_urlVersion=0&_userid=99318&md5=609cd667f4f96d32552e29
6c5fe13dee>.
“How drugs affect you: Anabolic Steroids.” Australian Drug Foundation. Copyright 1998.
<http://www.nevdgp.org.au/info/adf/anabolic.htm>.
Kruskemper, H. Anabolic Steroids. Academic Press, London. Copyright 1968.
Rubins, Michael. “Legal Ease: Performance Drugs.” Governor’s Safe and Drug-Free
Schools and Communities Program. Louisiana Public Broadcasting Company.
“Steroid Structure.” Steroid Hormones.html. 
<http://www.cs.stedwards.edu/chem/Chemistry/CHEM43/CHEM43/Steroids/
Steroids.HTML>.
Swartz, Jon. "High Death Rate Lingers Behind Fun Facade of Pro Wrestling."
USA Today Sports. Copyright 2004. <http://www.usatoday.com/sports/2004-03-12-pro-
wrestling_x.htm.>
Villee, Claude. Mechanism of Action of Steroid. Pergamon Press, New York. Copyright 1961.