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  Indian J Med Microbiol
 

Figure 4: Electrocardiogram changes at before (1), and 24 h (2), 3 months (3), 6 months, (4) and after atrial septal defect closure.

Figure 4: Electrocardiogram changes at before (1), and 24 h (2), 3 months (3), 6 months, (4) and after atrial septal defect closure.