... means of the plasmaclearance of cystatin C [10 ,18]. HIV infection, by indu-cing a glomerulopathy (as exemplified in HIV-associatednephropathy), results in a reduction in the plasma clear-ance ... White C, Akbari A, Hussain N, Dinh L, Filler G, Lepage N, Knoll GA:Estimating glomerular filtration rate in kidney transplantation: a comparison between serum creatinine and cystatin C-based methods. ... Baxmann AC, Ahmed MS, Marques NC, Menon VB, Pereira AB, Kirsztajn GM,Heilberg IP: Influence of muscle mass and physical activity on serum andurinary creatinine and serum cystatin C. Clin J Am...