On congenital heart disease in developing countries.
Ebels
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D002648:Child; D003906:Developing Countries; D006297:Health Services Accessibility; D006330:Heart Defects, Congenital / Q000453:epidemiology* / Q000601:surgery*; D006801:Humans; D007214:Indonesia / Q000453:epidemiology; D012529:Saudi Arabia / Q000453:epidemiology