Leon A S, Horst W D, Spirt N, Wiggan E B, Womelsdorf A H
Chest. 1975 Mar;67(3):341-3. doi: 10.1378/chest.67.3.341.
Rats exercise trained by swimming one hour daily five days per week for three months developed cardiac hypertrophy. The NE concentration (0.469 mug/g) and total NE content (0.741/mug) of the hypertrophied hearts were not significantly different from levels in hearts of unexercised control rats.