More Groups
Fewer Groups
More People
Fewer People
More Years
Fewer Years
Hatini, V.; Huh, S. O.; Herzlinger, D.; Lai, E.; Windhager, E. Journal of the American Society of Nephrology (1996)
Flombaum, C.; Machado, C.; Schiano, T. Journal of the American Society of Nephrology (1994)