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.
Effects of age and exercise on heart, lung, and body weights, and on collagen volume fraction (CVF) in young control (YC), old control (OC), and old exercise-trained (OT) rats
Values are mean±SE.
BW, body weight; LV, left ventricle; RV, right ventricle; CVF, collagen volume fraction.
