GH and Myocardial Norepinephrine Content Despite the considerable evidence favoring the cytoprotective actions of GH on the ischemic myocardium, the finding of decreased infarct size could not be reproduced in our laboratory using an identical setting [ 14 ]; specifically, the infarct size in GH-treated rats was only lower by 12.5%, a difference that failed to reach statistical significance.
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