CONGENITAL HEART DISEASE IN CHILDREN UNDER TWO YEARS OF AGE.Published in:Acta Paediatrica, 1961, v. 50, n. S128, p. 2, doi. 10.1111/j.1651-2227.1961.tb05652.xBy:Gotzsche, H.;Mortensen, Ole;Mosekilde, E.Publication type:Article