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. 2023 Jan 7;23(1):23–31. doi: 10.1007/s12012-022-09774-2

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Fig. 2 — C57BL/6 mice were divided into three groups, control group and Dox group (20 mg/kg for 28 d) given an intraperitoneal injection of Dox for 4 weeks and Dox + Exo group given an additional intracardiac injection of Exo (50 µg), and the cardiac function of each group was assessed by echocardiography after one month. a EF; b Fractional shortening; c Body weight; d Heart weight; e LVDd; f LVDs; g Echocardiographic images of each group after 4 weeks; h Myocardial tissue of mice using H&E staining. Mean SEM, n = 6 (panel a-h), *p < 0.05