Kidney function and mortality in octogenarians: Cardiovascular Health Study All Stars.
Shastri S, Katz R, Rifkin DE, Fried LF, Odden MC, Peralta CA, Chonchol M, Siscovick D, Shlipak MG, Newman AB, Sarnak MJ. Kidney function and mortality in octogenarians: Cardiovascular Health Study All Stars. J Am Geriatr Soc. 2012 Jul; 60(7):1201-7.