1. Major RH: Classic Descriptions of Disease, ed 3. Springfield, IL, Charles C Thomas, 1945, p 677
2. Smith HW: The Kidney: Structure and Function in Health and Disease. New York, Oxford University Press, 1951, p 1049
3. Fishberg AM: Hypertension and Nephritis, ed 5. Philadelphia, Lea & Febiger, 1954, p 986
4. Walker AM, Bott PA, Oliver J, et al: The collection and analysis of fluid from single nephrons of the mammalian kidney. Am J Physiol 134:580–595, 1941
5. Addis T: Proteinuria. Trans Assoc Am Physicians 57:106–108, 1942