| Http://: http://www.nlm.nih.gov/medlineplus/ency/article/002052.htm |
| Http://: http://ghr.nlm.nih.gov/handbook/inheritance/inheritancepatterns |
| Http://: http://www.nlm.nih.gov/medlineplus/ency/article/002052.htm |
| Http://: http://ghr.nlm.nih.gov/handbook/inheritance/inheritancepatterns |