Children's PKU Network Organisation offering education and direct assistance. Includes details of projects, plus links to food suppliers. http://www.pkunetwork.org/

National PKU News Organisation providing information and news to families and professionals. Includes general information about the condition, dietary advice, research, personal stories and support. http://pkunews.org/

Genes and Diseases: Phenylketonuria Brief genetic information. http://www.ncbi.nlm.nih.gov/disease/Phenylketo.html

Medline Plus: Phenylketonuria Definition, causes, symptoms and treatment. http://www.nlm.nih.gov/medlineplus/ency/article/001166.htm

Phenylketonuria Definition, causes, symptoms and treatments. http://www.medhelp.org/lib/pku.htm

PKU-Info.org Provides general information, plus links to organisations, suppliers and mailing lists. Also includes a forum. [English and German] http://www.pku-info.org

Pemphigus Hub Includes links to case studies, images, abstracts and personal experiences. http://www.healthubs.com/pemphigus