Features a medical encyclopedia that gives a definition of phenylketonuria, the alternate names, causes, symptoms, tests, treatment and prognosis.

Clinical article by Dr. Robert D. Steiner covers background, pathophysiology, etiology, epidemiology, prognosis, and patient education.

The National Organization for Rare Disorders gives a general description of PKU, and lists the alternative names and related organizations.

Online resource for the Phenylketonuria community. Find PKU information, treatment options, and support groups.

Illustrated article shares definition, causes, inheritance, treatment, testing, and screening details.