1. Volume 63, Issue 3, Pages 1066-1071 (March 2003)
Effect of vitamin C supplements on urinary oxalate and pH in calcium stone-forming patients 
Alessandra Calábria Baxmann, Claudia de O.G. Mendonça, Ita Pfeferman Heilberg 
Kidney International 
Volume 63, Issue 3, Pages (March 2003)
DOI: /j x
Copyright © 2003 International Society of Nephrology Terms and Conditions

2. Figure 1
Urinary pH pre- and post-vitamin C supplements. Mean values are indicated by horizontal bars.
Kidney International  , DOI: ( /j x)
Copyright © 2003 International Society of Nephrology Terms and Conditions

3. Figure 2
Box plots of urinary oxalate pre- and post-vitamin C with or without acid preservation in calcium stone-forming patients taking supplements of either 1 gram (A) or 2 grams (B). The horizontal lines in the box denote the 25th, 50th, and 75th percentile values. The error bars denote the 5th and 95th percentile values. The symbols below the 5th percentile error bar denote the zero and 1st percentile values and the symbols above the 95th percentile error bar denote the 99th and 100th percentile.
Kidney International  , DOI: ( /j x)
Copyright © 2003 International Society of Nephrology Terms and Conditions