MedlinePlus: Glomerulonephritis - Rapidly progressive (crescentic) glomerulonephritis, a description, alternate names, the causes, incidence and risk factors. - http://www.nlm.nih.gov/medlineplus/ency/article/000469.htm
Methodist Health Care System - A definition of glomerulonephritis followed by a look at the symptoms and treatment. - http://www.methodisthealth.com/urogen/glomerul.htm
Glomerulonephritis and Toxic Exposure - The crucial role of chemical exposure, written by Uffe Ravnskov, MD, PhD. Includes an introduction, causes and many more related subjects. - http://www.ravnskov.nu/index.htm
Emergency Medicine - Information about acute glomerulonephritis, an introduction, clinical including the symptoms and causes, treatment, medications and follow up. - http://www.emedicine.com/emerg/topic219.htm