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Expression of connexin 43 (Cx43) in myocardial tissues as detected with the method of imunohistochemical analysis. Cx43 is indicated by the black arrows. Sections from the AAC + EN (abdominal aortic coarctation plus enalapril, 5 mg/kg/day), and AAC + H2S (abdominal aortic coarctation plus hydrogen sulfide, 14 μmol/kg/day) groups are shown. Original magnification, ×200.
