1. Epidemiologic data of renal diseases from a single unit in China: Analysis based on 13,519 renal biopsies 
Lei-Shi Li, Zhi-Hong Liu 
Kidney International 
Volume 66, Issue 3, Pages (September 2004)
DOI: /j x
Copyright © 2004 International Society of Nephrology Terms and Conditions

2. Figure 1 Cases of renal biopsies performed each year.
Kidney International  , DOI: ( /j x)
Copyright © 2004 International Society of Nephrology Terms and Conditions

3. Figure 2
The changing frequency of primary and secondary glomerulonephritis from 1979 to *P < 0.01; **P < 0.001, compared with 1985.
Kidney International  , DOI: ( /j x)
Copyright © 2004 International Society of Nephrology Terms and Conditions