Fig. 1.
Image of the kidney (ultrasonography): female, 8 months old, right kidney profile. A 0.15-cm2 sand-like calculus (marked with +) at the renal calyx with a comet-like tail
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.