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Representative samples of slides used for histological evaluation of the left and right ventricles in the control and insulin groups. a and b Hematoxylin and eosin stain of left ventricle from control group and insulin group, respectively. c and d Hematoxylin and eosin stain of right ventricle from control group and insulin group, respectively. Slide thickness is 5 μm. Magnification is 200×.
