Asymptomatic Proteinuria -
Looks at what this disorder is, the causes, the protein, further investigation, treatment and where to get more information.
http://renux.dmed.ed.ac.uk/EdREN/EdRenINFObits/ProteinuriaLong.html

Information from Your Family Doctor -
 Proteinuria in children: A look at the role of protein in the body, what this disorder is, treatment and how to do a 24 hour urine collection.
http://familydoctor.org/329.xml

Proteinuria -
An introduction, a look at who is at risk, signs if this disease and kidney failure, testing, treatment, research, points to remember and resources. From The National Kidney and Urologic Diseases Information Clearinghouse.
http://www.niddk.nih.gov/health/kidney/pubs/proteinuria/proteinuria.htm

University of Chicago Pritzker School of Medicine -
A look at the mechanisms of proteinuria, detection of protein in the urine, evaluation and non-pathological causes.
http://pedclerk.bsd.uchicago.edu/proteinuria.html