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. 2020 Apr 15;11:493. doi: 10.3389/fphar.2020.00493

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Copyright © 2020 Ma, Ma, Tu, Zheng, Chen and Lv

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Isoproterenol (ISO) decreases cardiac function. (A) Representative M-mode echocardiogram in rats 5 weeks after ISO injection. (B) Bar graph indicates EF (n=20 rats/group). (C) Bar graph indicates FS (n = 20 rats/group). (D) Bar graph indicates left ventricular internal dimensions during systole (LVIDs) (n = 20 rats/group). (E) Bar graph indicates left ventricular internal dimensions during diastole LVIDd (n=20 rats/group). **P < 0.01 versus control (CTL) group, ^# P < 0.05 versus ISO group.