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References from Availability of cardiac surgical care in surgical correction of acquired heart defects in patients of older age group. Local targets link to admitted publications; unresolved targets remain external evidence.
10.1161/circulationaha.108.778886
10.1161/circulationaha.108.778886 · External reference
10.1136/jech.2007.067470
10.1136/jech.2007.067470 · External reference
10.1016/s1054-8807(03)00105-4
10.1016/s1054-8807(03)00105-4 · External reference
10.1159/000058903
10.1159/000058903 · External reference
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