Alkaptonuria
   A brief discussion about this disease and its statistics world wide. Followed by a case study of a 4 year old boy, whose parents noted the darkening of the urine to an almost black color when it was left standing.
   http://www.kfshrc.edu.sa/annals/185/98-055.html

Alkaptonuria and Ochronosis
   A detailed look at these disorders, how it affects the many body parts, diagnosis, diet and treatment are discussed.
   http://healthlink.mcw.edu/article/921733488.html

MedicineNet.com : Alkaptonuria
   An article about this disease beginning with an explanation as to what it is, followed by how it is inherited, how it affects the joints, symptoms, diagnosis and treatment.
   http://www.medicinenet.com/alkaptonuria/article.htm

The Alkaptonuria Society
   An information and support network for those people diagnosed with Alkaptonuria. Includes discussions, articles and related resources.
   http://www.alkaptonuria.info/

eMedicine Online Text: Alkaptonuria
   An in depth look at this disorder written by Karl S Roth, MD. From a description to treatment all aspects of this disease are discussed.
   http://www.emedicine.com/ped/topic64.htm