“Age and cystatin C in healthy adults: a collaborative study.”
, Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association
, vol. 25, no. 2, pp. 463-9, 2010.
“Serum creatinine and functional limitation in elderly persons.”
, The journals of gerontology. Series A, Biological sciences and medical sciences
, vol. 64, no. 3, pp. 370-6, 2009.