Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Weight reduction index (WRInd) obtained during evaporation test of urinary samples plotted against initial values of urine osmolality (IUOsm). A regression line, Spearman’s rank correlation coefficients and p values are shown for stone formers and healthy controls
