Reese Peter P, Caplan Arthur L, Kesselheim Aaron S, Bloom Roy D
Renal, Electrolyte and Hypertension Division, Department of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
Clin J Am Soc Nephrol. 2006 Nov;1(6):1148-53. doi: 10.2215/CJN.02180606. Epub 2006 Oct 11.