Race and renal impairment in heart failure: mortality in blacks versus whites.
Smith GL, Shlipak MG, Havranek EP, Masoudi FA, McClellan WM, Foody JM, Rathore SS, Krumholz HM. Race and renal impairment in heart failure: mortality in blacks versus whites. Circulation. 2005 Mar 15; 111(10):1270-7.