Fig. 2.
Serum potassium ion (K) and lactate dehydrogenase (LDH) results by transport mode. PTS, pneumatic tube system.
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.