title: Exercise testing in children with heart defects.
mesh_terms: D002648:Child; D002675:Child, Preschool; D004374:Ductus Arteriosus, Patent / Q000175:diagnosis*; D005080:Exercise Test; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis*; D006345:Heart Septal Defects, Ventricular / Q000175:diagnosis*; D006801:Humans