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Kaplan–Meier curves of free survival of death or lung transplantation comparing the different types of pediatric PAH after genetic testing (A) and comparing exclusively the specific genetic background (B). DLD (development lung disorders), PAH (pulmonary arterial hypertension); PAH-CHD (pulmonary arterial hypertension associated with congenital heart disease); PVOD (pulmonary veno-occlusive disease).
