1. http://www.vivo.colostate.edu/hbooks/pathphys/endocrine/hypopit/gh.html
2. http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/P/Pituitary.html#GH
3. http://www.follistim.com/Consumer/FollistimAQCartridge/RecombinantDNAtechnology/index.asp
4. http://www.youtube.com/watch?v=x2jUMG2E-ic
5. http://www.herdaily.com/parenting/4057/growth-hormone-deficiency-explained.html
6. http://www.emedicinehealth.com/growth_hormone_deficiency/article_em.htm
7. http://www.vivo.colostate.edu/hbooks/pathphys/endocrine/hypopit/gh.html
8. http://www.thesage-speaks.com/hgh-legal-human-growth-hormone-us-laws/
9. http://www.encyclopedia.com/doc/1G2-3402200033.html
10. http://today.msnbc.msn.com/id/10766061/
11. http://women.timesonline.co.uk/tol/life_and_style/women/beauty/article3663145.ece