Search results
American Journal of Kidney Diseases > 2008 > 52 > 4 > 653-660
American Journal of Kidney Diseases > 2007 > 50 > 4 > 559-565
The American Journal of Medicine > 2007 > 120 > 2 > 180-184
Annals of Epidemiology > 2005 > 15 > 4 > 302-309