Paediatrics Echocardiographic Assessment of Pulmonary Arterial Hypertension After Complete Atrioventricular Septal Defect Repair John Joseph April 14, 2026 April 14, 2026 Echocardiography. 2026 Apr;43(4):e70469. doi: 10.1111/echo.70469. NO ABSTRACT PMID:41979870 | DOI:10.1111/echo.70469