Figure 4.
Three measurements of cartilage thickness in each finger joint (in volar 1/3, dorsal 1/3, and middle 1/3)—finger without acro-osteolysis.
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.