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.htmlThe 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
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
