Faydalanılan kaynaklar

http://www.stannah.co.uk/news/spring01/newspage.asp?item=7
http://vitalitas.hu/olvasosarok/online/traumatologia/2000/4/7.htm
http://www.gfmer.ch/genetic_diseases_v2/gendis_detail_list.php?cat3=449
http://152.16.198.53/GeneticsModules/Design/page.asp?CourseNum=2&LessonNum=2&index=1

www.livejournal.com/ users/jwz/260749.html
http://www.endocrine.com.sg/Pit%20pg%203.htm
http://www.patientcarenp.com/pcnp/article/articleDetail.jsp?id=116794
http://mywebpages.comcast.net/epollak/PSY255_pix/PSY255_pix.htm
http://www.ppae.ab.ca/index.php?m=3&s=2